Fits select 2017-2025 Porsche 911 (991.2), 718 Boxster, 718 Cayman, and 718 Spyder models. This high-performance aluminum side radiator is engineered to replace the factory unit, providing superior thermal management for high-horsepower street builds and dedicated track vehicles.

The CSF 7086 features a heavy-duty 42mm 2-row core utilizing CSF's exclusive B-Tube technology. Unlike standard oval tubes, the B-Tube design is brazed at the seam for increased structural integrity, allowing for thinner, lighter aluminum with 15% more heat transfer surface area. Combined with 6.5mm multi-louvered fins, this radiator delivers approximately 20% better cooling efficiency than the OE component.

Designed for a true "drop-in" fit, this radiator includes CNC-machined brackets and OEM-style inlet/outlet connections to ensure compatibility with factory hoses, the AC condenser, and the fan shroud. Every unit is TIG-welded for durability and individually leak and pressure tested before receiving a smooth satin finish.

• Manufacturer Part Number: 7086
• Position: Left Side
• 42mm 2-Row core with B-Tube technology
• 6.5mm multi-louvered fin height for maximum airflow contact
• All-aluminum construction with 100% TIG-welded end tanks
• CNC-machined mounting brackets and fittings
• Accepts all OEM hardware and mounting points
• Pressure tested for reliable performance in extreme conditions

Fits 2001-2012 Porsche 911 Turbo, Turbo S, GT2, GT2 RS, and Carrera 4S models (996 and 997 chassis).

The CSF 7055 is a high-performance right-side radiator designed to replace restrictive factory units in high-horsepower builds and track-driven Porsche 911s. This all-aluminum radiator utilizes a 42mm 2-row core featuring CSF's exclusive B-Tube technology. Unlike standard oval tubes, the B-tube design uses a reinforced center seam that increases heat transfer surface area by approximately 15% while allowing for thinner, lighter, and more efficient aluminum construction without sacrificing structural integrity.

Built for durability and precise fitment, the CSF 7055 features 100% TIG-welded end tanks and CNC-machined brackets for a true drop-in installation. It utilizes OEM-style machined inlet/outlet connections and maintains compatibility with the factory AC condenser and fan shroud. Every unit is individually leak and pressure tested to ensure reliable performance under high-stress cooling demands.

• Manufacturer Part Number: 7055
• 42mm 2-Row core featuring exclusive B-Tube Technology
• High-efficiency 6.5mm multi-louvered fins
• All-aluminum construction with 100% TIG-welded tanks
• CNC machined brackets and OEM-style quick-connect fittings
• Smooth satin finish
• Drop-in fitment requiring no modifications
• Pressure tested for maximum reliability

This CSF 3721 OEM replacement radiator is designed for direct-fit installation in the 2011-2012 Infiniti G25 (2.5L). Engineered to match the cooling capacity and dimensions of the factory unit, it serves as a reliable solution for replacing a cracked, leaking, or clogged radiator to maintain optimal engine temperatures.

• Direct-fit replacement for Infiniti G25 models with the 2.5L engine
• Durable plastic tanks paired with a high-efficiency aluminum core
• Maintains factory cooling system pressure and flow rates
• Built to original equipment (OE) specifications for fitment and performance
• Manufacturer Part Number: 3721

Fits select 2018-2026 BMW (M340i, 540i, X5, Z4), Toyota GR Supra, and INEOS Grenadier models with the B58 engine.

The CSF Gen 2 B58 Race X Charge-Air-Cooler Manifold (MPN: 8400B) is a premier cooling solution engineered for high-performance racing. Developed in collaboration with VF Engineering and CNC-machined by Custom Plenum Creations, this manifold features a motorsports-grade bar-and-plate air-to-water core that is 25% larger than the standard Gen-2 CSF manifold. It utilizes 15 rows of water cooling—a massive increase over the 6-row factory unit—to maintain lower intake air temperatures during sustained high-load use.

This manifold is finished in a Thermal Black Heat Dispersion Cerakote and includes the KIYLEX Thermal Rejection Manifold Spacer, which reduces intake manifold temperatures by up to 15%. For advanced tuning, it features individual 1/8" NPT ports for nitrous or methanol injection on each cylinder runner and an integrated fuel rail for top-feed port injection. The versatile design allows for either single or dual-pass water flow configurations using the included -16 ORB bung and CNC plug.

• Motorsports-grade bar/plate core with 15 cooling rows (25% larger than CSF #8200).
• Dual-pass or single-pass (ice-box ready) flow configuration with -16 ORB bung.
• Individual 1/8" NPT ports on each runner for precise nitrous or meth injection.
• Integrated sensor pad with two 1/4" and three 1/8" NPT ports for data logging.
• Includes KIYLEX Thermal Rejection Manifold Spacer for 15% lower temperatures.
• Includes dedicated fuel rail for top-feed port injection.
• Integrated air divider in the inlet tank for optimized flow distribution.
• SolidWorks designed and Computational Fluid Dynamics (CFD) optimized.
• Maintains access to the factory spin-off oil filter for easy maintenance.
• Supplied with complete hardware kit, CNC fittings, and vacuum-packaged components.

Fits select 2018-2026 BMW (M240i, M340i, M440i, 540i, 740i, 840i, X3, X4, X5, X6, X7, Z4), Toyota GR Supra, and INEOS Grenadier models.

The CSF Gen 2 B58 Race X Charge-Air-Cooler Manifold (MPN 8400) is the definitive cooling and fueling upgrade for high-horsepower B58 platforms. Developed in collaboration with VF Engineering and Custom Plenum Creations, this manifold features a motorsports-grade bar-and-plate air-to-water core that is 25% larger than standard Gen 2 upgrades. With 15 cooling rows—compared to 12 on standard CSF units and just 6 on OEM—this manifold provides the thermal capacity required for competitive racing and high-boost applications.

• Motorsports-grade bar/plate core with 15 rows of water cooling for maximum thermal efficiency.
• Raw billet aluminum finish CNC-machined for precision fitment and durability.
• Included top-feed fuel rail for easy integration of port injection systems.
• KIYLEX thermal rejection manifold spacer included to lower intake temperatures by up to 15%.
• Versatile flow configuration: single-pass or ice-box setup via -16 ORB bung (includes CNC plug for dual-pass).
• Six individual 1/8" NPT ports on cylinder runners for precise nitrous or methanol injection.
• Integrated sensor pad with two 1/4" and three 1/8" NPT ports for auxiliary data or vacuum sources.
• Slotted mounting holes and accessible design for easier installation and spin-off oil filter changes.
• Complete hardware kit with CNC-machined fittings, brackets, and easy-to-follow Bill-of-Materials.

Engineered in collaboration with professional drift teams, the CSF 8378 is a universal dual-pass competition radiator designed for the extreme thermal demands of motorsport. While versatile for any racing application, its dimensions and high-capacity core make it specifically optimized for rear-mounted drift setups where airflow is limited and heat soak is a constant threat.

This radiator utilizes CSF’s exclusive B-Tube technology, which increases tube surface area by 15% compared to standard oval tubes, paired with an ultra-efficient 8mm multi-louvered fin design. The 68mm ultra-high-performance core ensures maximum coolant residence time through its dual-pass configuration. Constructed from 100% TIG-welded aluminum with a hand-brushed satin finish, every unit is individually leak and pressure tested to ensure reliability on the track.

• Manufacturer Part Number: 8378
• Core Dimensions: 705mm L x 448mm H (27.75 x 17.5 inches)
• Overall Dimensions: 794.10 x 470.00 x 90.00 mm
• Inlet/Outlet: -20AN (1 5/8" - 12) Threaded female ORB bosses (Fittings not included)
• Accessory Ports: 2x -12AN (1 1/16"-12) ORB ports for sensors or expansion tanks
• Mounting: 8 total M8x1.25 mounting bosses (4 per tank)
• Construction: 44 rows of B-Tubes and 45 rows of 8mm fins
• Finish: Hand-brushed satin aluminum

Fits select 2016-2021 BMW M2, M240i, 340i, 430i, and 440i models. This auxiliary radiator is designed to withstand the rigors of track use and high-performance street driving where OEM plastic-tank components often fail.

The CSF 8355 features a 42mm 2-row core utilizing CSF’s exclusive B-Tube technology for maximum heat dissipation. Unlike the factory unit which uses a plastic mounting pod prone to fatigue, this radiator is built with a 100% all-aluminum TIG-welded integrated mounting frame for superior durability. To protect the core from road debris and track-day punctures, it includes a detachable bolt-on rock guard. The unit is finished in satin black for an OEM+ appearance and utilizes factory-style quick-connect inlets and outlets for a true drop-in installation.

• Manufacturer Part Number: 8355
• 42mm 2-Row High-Performance Core
• Exclusive B-Tube Technology and 5mm tall ultra-efficient multi-louvered fins
• 100% All-Aluminum TIG-welded construction
• Integrated heavy-duty mounting frame replaces OE plastic pod
• Includes detachable bolt-on rock guard for puncture protection
• OEM-style “Quick Connect” inlet/outlet ports
• Individually leak and pressure tested
• Satin black finish for corrosion resistance and stealth appearance
• Multi-fit design: fits both left and right side (sold individually)

Fits 2025-2026 BMW M5 (G90) and M5 Touring (G99) Base models.

Engineered for the high-performance demands of the G90 and G99 platforms, the CSF 8351 Charge Air Cooler set provides a significant cooling upgrade over the factory system. Developed using 3D scanning and rapid prototyping, these coolers utilize a custom-designed liquid-to-air core that provides a 100% increase in volume per unit compared to the OEM charge coolers. This increased capacity significantly reduces Intake Air Temperatures (IATs), ensuring consistent power delivery even in high-horsepower or high-boost builds.

• 100% increase in core volume per cooler vs. OEM charge air coolers
• Custom liquid-to-air intercooler cores validated via CFD analysis and testing
• 1-piece seamless air inlet end tanks with integrated charge pipes to eliminate leak points
• Integrated Dual 1/8 NPT ports per cooler for E85 or Methanol injection
• OEM-style "Quick Connect" water connections and sensor ports for simplified installation
• Professional "Crinkle Black" powder-coated finish for durability and heat dissipation
• Includes installation hardware for both left and right charge coolers
• Lifetime Warranty
• Manufacturer Part Number: 8351

Note: While designed as a drop-in fit, minor modification may be required for optimal fitment.

Fits 2021-2025 Ford Bronco models (2.7L EcoBoost) across all trims including Badlands, Wildtrak, and Outer Banks.

Maintaining stable transmission temperatures is essential for the Ford Bronco, particularly during low-speed crawling or heavy towing. The CSF 8350 External Transmission Oil Cooler Kit is a heavy-duty cooling solution designed to replace restrictive factory components with a high-efficiency aluminum core. This kit utilizes a 26mm 12-channel microtube design, providing 11 rows of cooling tubes and 12 rows of multi-louvered fins for maximum heat dissipation.

For superior reliability, CSF partnered with DYME PSI to integrate Pro/Spec Quick Release Fittings. These race-proven fittings are rated for up to 10,000 PSI and allow for tool-free maintenance or fluid changes. The system is plumbed with Superstrasse CPE-lined stainless steel braided hoses, ensuring maximum chemical resistance and durability in harsh off-road environments. A CNC-machined billet thermostatic plate is included to regulate flow between 185°F and 203°F, ensuring the transmission reaches operating temperature quickly while preventing overheating under load.

• High-pressure 26mm 12-channel microtube core for optimal surface area contact
• 11 rows of cooling tubes with 12 rows of 8mm multi-louvered fins
• Patented DYME PSI quick-release fittings for tool-free clamshell removal
• Superstrasse CPE-lined stainless steel braided rubber hoses
• CNC billet machined thermostatic plate (185-203°F / 85-95°C)
• 100% all-aluminum TIG-welded construction
• Includes all vehicle-specific brackets and mounting hardware
• Manufacturer Part Number: 8350
• 2-Year Limited Warranty

Fits select 2018-2025 Jeep Wrangler (JL/4xe) and 2020-2025 Jeep Gladiator (JT) models.

Off-road modifications like oversized tires, heavy armor, and roof racks place significant strain on your drivetrain, often exceeding the cooling capacity of the factory transmission cooler. The CSF 8344 High-Performance Transmission Oil Cooler addresses this heat soak with a heavy-duty dual-pass core, providing the thermal headroom needed for overlanding, towing, and technical rock crawling. By doubling the number of cooling tubes and fin rows, this unit ensures your transmission stays within safe operating temperatures during high-load scenarios.

• Increased Capacity: 34% larger core volume and 68% more fluid capacity than the factory cooler.
• Advanced Core Technology: Utilizes a 1-row 16mm 10-channel microtube for maximum surface area and optimal oil flow.
• High-Efficiency Fins: 19 rows of 5mm multi-louvered fins provide superior heat dissipation.
• Dual-Pass Design: Forces fluid through the core twice for improved cooling performance compared to the single-pass OE design.
• Direct Fit: Welded all-aluminum construction with OEM-style inlet/outlet connections for a drop-in installation with no modifications required.
• Finish: Protective black finish for a durable OEM+ appearance.
• Manufacturer Part Number: 8344
• Warranty: 2-Year Limited Warranty

Fits 2023-2026 Honda Civic Type R (FL5).

Track-driven FL5 Type Rs often struggle with heat soak when stacking coolers in front of the radiator. CSF’s High-Performance Dual Engine Oil Cooler Kit (MPN 8343) solves this by utilizing the sides of the front bumper for optimal airflow without compromising the cooling capacity of the radiator or aftermarket intercoolers. This kit features dual #8119 high-performance dual-pass oil coolers, increasing total system capacity by over 2 quarts (2 liters) for significantly improved thermal stability during hard use.

Engineered for professional-grade reliability, the kit includes a CNC billet sandwich plate with an integrated 175-195°F (80-90°C) thermostat and a 1/8 NPT port for oil temperature sensors. Airflow is optimized via pre-preg carbon fiber bumper vents and laser-cut louvered fender liner vents, ensuring maximum heat extraction through the wheel wells. All plumbing is handled by motorsports-grade DYME PSI AN lines featuring patented quick-release fittings for ease of maintenance.

• Dual CSF #8119 high-performance dual-pass oil coolers
• CNC billet machined sandwich plate with integrated thermostat
• TIG-welded bar and plate core construction tested to 120 PSI
• Pre-preg carbon fiber bumper vents for maximum airflow
• Laser-cut louvered fender liner vents for heat extraction
• DYME PSI AN lines with 304 stainless steel and polyethylene braiding
• Custom-fit replacement washer fluid bottle compatible with OE motor
• Includes all stainless steel brackets and mounting hardware
• 2-Year Limited Warranty

Fits select 1989-1998 Porsche 911 (964 and 993 chassis) models including Carrera, Carrera 2/4/4S/S, RS America, Speedster, Targa, and Turbo.

The CSF 8334 is a modern, high-performance recreation of the original Längerer & Reich oil cooler. This unit features an advanced dual-pass, 50mm tube and fin core that significantly exceeds the heat rejection capabilities of the factory component. Designed as a true plug-and-play solution, it installs into the factory fender location using the original mounting points and fan shroud, which has been updated with improved mounting locations for a cleaner installation.

To address the flow restrictions of the original design, CSF utilizes machined M30 x 1.5 "Widemouth" threaded fittings. These stainless steel fittings feature an optimized inner diameter that delivers up to 50% greater flow capacity compared to OEM connections. Each cooler is 100% all-aluminum TIG-welded and finished in satin black for an understated, factory-plus appearance.

• Manufacturer Part Number: 8334
• Dual-pass 50mm high-performance tube and fin core
• Stainless steel "Widemouth" M30 x 1.5 high-flow fittings
• 100% all-aluminum TIG-welded construction
• Satin black finish for OEM+ appearance
• Individually leak and pressure tested at 8bar (116psi)
• Includes pre-installed copper crush washers for a leak-free seal
• Individually serialized for quality control
• 10-Year Limited Warranty

Fits 1989-1998 Porsche 911 (964 and 993) models including Carrera, Turbo, Targa, and Speedster.

Restore and improve your air conditioning system with the CSF Performance A/C Condenser (MPN 8325). While the original equipment (OE) condensers utilize an outdated serpentine-style design, CSF employs a modern parallel-flow core that offers significantly higher thermal efficiency. This 100% aluminum unit is specifically optimized for R134a refrigerant, helping to recover the cooling performance often lost during R12-to-R134a conversions in older 911s. Designed for a true plug-and-play installation, it features CNC-machined mounting brackets and OEM-style inlets and outlets for a seamless fit without modifications.

• 26mm 12-channel microtube core for maximum surface area contact
• 26 rows of cooling tubes paired with 27 rows of 8mm tall multi-louvered fins
• Dual-pass cross-flow design for superior heat dissipation
• Provides approximately 5% better performance than a brand-new OEM unit
• 100% aluminum construction with a durable satin black finish
• Individually leak and pressure tested to ensure long-term reliability
• Backed by a 2-year limited warranty

Fits select 2021-2025 BMW M2, M3, and M4 models (Base, Competition, CS, and CSL). This CSF High-Performance Auxiliary Radiator is a heavy-duty cooling solution designed to replace the fragile OE plastic-tank units that are prone to failure under track conditions or increased boost levels.

Constructed with a 2-row 42mm core, this radiator utilizes CSF’s exclusive B-Tube Technology, which increases the tube surface area for heat transfer by 15% compared to standard oval tubes. The ultra-efficient 5mm multi-louvered fins maximize airflow and cooling recovery, while the 100% all-aluminum TIG-welded tanks offer superior pressure resistance over factory components. This multi-fit design works on both the left and right sides of the vehicle and features OEM-style quick-connect inlets and outlets for a true drop-in installation.

• Manufacturer Part Number: 8321
• Core Dimensions: 2-row, 42mm high-performance core
• Exclusive B-Tube Technology for 15% more heat dissipation surface area
• Ultra-efficient 5mm tall fins with multi-louvered design
• Satin black finish for a discreet OEM+ appearance
• Includes detachable rock guard for added protection
• Direct fit using factory quick-connect fittings and mounting points
• Sold individually (Note: G8X applications use two auxiliary radiators)
• Individually leak and pressure tested

Fits select 2012-2026 BMW M5, M6, M8, and M850i xDrive (including Gran Coupe, Competition, and CS models).

While the factory BMW oil cooler features an all-metal design, it possesses inherent weak points that can lead to failure under high-performance driving conditions. The CSF 8317 High-Performance Engine Oil Cooler is engineered to address these vulnerabilities using a heavy-duty bar-and-plate design for superior heat dissipation and rugged durability. Developed in collaboration with CarBahn Autoworks to manage the extreme thermal requirements of their S63 Stroker Kit, this cooler is a vital upgrade for high-output BMW engines.

• True plug-and-play installation with CNC-machined mounting brackets
• OEM-style inlet/outlet connections for a secure, leak-free seal
• Heavy-duty bar/plate design with cast end tanks and 100% TIG-welded construction
• Individually leak and pressure tested to ensure reliability
• Satin black finish for a clean, factory-plus appearance
• Manufacturer Part Number: 8317
• 2-Year Limited Warranty

Note: For optimal fitment, minor trimming of the original equipment (OE) ducting and lower radiator cradle is recommended during installation.

Fits select 2019-2026 BMW X5 M, X6 M, X7 M60i, and XM models.

The CSF High-Performance Charge-Air-Cooler Set (CSF #8315) is a precision-engineered cooling solution for BMW’s high-output S63 and S68-powered SUVs. Developed in collaboration with Steve Dinan’s Carbahn, this kit provides a direct "drop-in fit" replacement for the factory liquid-to-air coolers. By utilizing 3D scanning and CFD analysis, CSF achieved a massive 100% increase in core volume over the OEM units without requiring any vehicle modifications.

Each cooler features one-piece seamless air inlet end tanks with integrated charge pipes for superior structural integrity and airflow. For high-horsepower builds, dual 1/8 NPT ports are integrated into the air outlet end tanks to allow for easy installation of E85 or methanol injection systems.

• Sold as a complete set including left and right charge-air coolers and installation hardware.
• 100% increase in core volume per cooler compared to OEM factory units.
• Professional crinkle black powder-coated finish for durability and heat management.
• Integrated dual 1/8 NPT ports per cooler for methanol or E85 injection.
• Utilizes OEM-style "Quick Connect" water connections and factory sensor ports.
• Designed with 3D scanning and rapid prototyping for precise fitment.
• Lifetime Warranty.
• Manufacturer Part Number: 8315

Fits select 2016-2021 BMW 2, 3, 4, 5, 6, 7 Series, X3, and X4 models (Gen 1 B58 engine).

The CSF #8300 Machined Billet Aluminum Charge-Air-Cooler Manifold is an essential upgrade for high-performance Gen 1 B58 engines. While the factory manifold is adequate for stock applications, it often struggles with heat soak during racing or high-boost conditions and is prone to failure at the gasket joints. This CSF manifold replaces the OEM plastic unit with a robust, motorsports-grade bar-and-plate air-to-water intercooler core that features 12 rows of cooling—double the capacity of the original equipment.

Engineered using SolidWorks and Computational Fluid Dynamics (CFD), the manifold includes an integrated air divider in the inlet tank to ensure even airflow distribution. To facilitate maintenance, the design allows for easy access to the spin-off oil filter without manifold removal. Each unit is manufactured by Custom Plenum Creations in Australia and comes in a raw billet finish with an included KIYLEX thermal rejection spacer to reduce intake temperatures by up to 15%.

• Motorsports-grade 12-row Bar/Plate air-to-water intercooler core
• Machined from solid billet aluminum for high-boost durability
• Includes KIYLEX Thermal Rejection Manifold Spacer
• Individual port injection bungs on each cylinder runner (pre-plugged)
• Optional top-feed fuel rail included
• Six individual 1/8" NPT ports for nitrous or methanol injection
• Sensor pad with three 1/8" NPT ports for data logging
• Counter-balanced design for optimized airflow and oil filter access
• Complete installation kit with 32-piece hardware set and diagrams
• MPN: 8300

Fits 2023-2025 Toyota GR Corolla (Core, Circuit Edition, Morizo Edition, Premium, and Premium Plus).

The CSF High Performance Stepped Core Intercooler System (8285B) is engineered to solve the heat soak issues common in high-performance applications. During real-world testing conducted by MotoIQ, this intercooler reduced charge air temperatures by more than 240°F—a 90°F improvement over the factory system. This allows the G16E-GTS engine to maintain intake air temperatures (IATs) just a few degrees over ambient, significantly delaying the onset of heat soak compared to the OEM unit.

Constructed with 100% TIG-welded end tanks, this unit replaces the factory crimped plastic tanks to ensure maximum strength and durability under high boost. The high-performance tube and fin stepped core design maximizes surface area contact and internal airflow volume. This kit also upgrades the factory plumbing with larger 2.5-inch (63.5mm) inlet and outlet connections using included motorsport-grade hoses and clamps.

• High-performance tube and fin stepped core for maximum surface area and airflow
• 100% TIG-welded construction for superior durability over OEM plastic components
• Larger 2.5-inch (63.5mm) inlet and outlet connections for improved flow
• Drop-in fit design (requires minor trimming of OE air ducting)
• Individually leak and pressure tested
• Includes motorsport-grade silicone hoses and clamps
• Finished in a durable black coating
• Manufacturer Part Number: 8285B
• 2-Year Limited Warranty

Fits 2023-2025 Toyota GR Corolla models including Core, Premium, Circuit Edition, and Morizo Edition.

The CSF x Jackson Racing High Performance Stepped Core Intercooler System is engineered to solve the heat soak issues common with the factory G16E-GTS cooling setup. Developed using 3D scanning and rapid prototyping, this intercooler maximizes surface area utilization within the factory mounting constraints. In real-world testing conducted by MotoIQ, this system reduced charge air temperatures by over 240°F—outperforming the OEM unit by an additional 90°F and maintaining IATs just a few degrees above ambient.

The high-performance tube and fin stepped core design provides superior internal air-flow volume compared to standard cores. Unlike the OEM crimped plastic end tanks that can fail under high boost, the CSF unit features 100% TIG-welded construction for maximum structural integrity. This kit includes upgraded motorsport-grade silicone hoses and clamps featuring larger 2.5-inch (63.5mm) connections for improved flow throughout the charge circuit.

• High-performance tube and fin stepped core for maximum cooling surface
• 2.5in (63.5mm) inlet and outlet connections
• 100% TIG-welded end tanks for high-boost durability
• Includes motorsport-grade hoses and heavy-duty clamps
• Individually leak and pressure tested to ensure reliability
• Drop-in fitment (requires minor trimming of factory plastic air ducting)
• Silver finish; Manufacturer Part Number: 8285

Fits 2006-2010 BMW M5 and M6 Base models.

Address the cooling weak points of the BMW E6X V10 platform with the CSF Race-Spec Oil Cooler (MPN 8275). While the factory oil cooler utilizes an all-metal design, the original tube-and-fin core and brazed end tanks are prone to leaking under high pressure and thermal stress. CSF solves these failure points by replacing the fragile OE unit with a heavy-duty bar-and-plate core and 100% TIG-welded cast end tanks for maximum durability.

This upgraded unit provides 40% more cooling capacity and volume than the factory cooler. The core thickness is increased to 63mm (up from the 45mm OE unit) and features two additional cooling rows. The design includes a reinforced, braced return tube and a CNC-machined solid line connection block to ensure a secure, leak-free fit with factory oil lines. Finished in satin black for superior corrosion and debris protection, this cooler is a direct-fit performance upgrade that requires only minor trimming of the plastic shroud.

• High-efficiency Aero-Flow Bar/Plate core design
• Core dimensions: 63mm thickness (vs 45mm OE)
• 40% larger capacity with 2 additional cooling rows
• 100% TIG-welded cast end tanks for extreme pressure resistance
• CNC-machined mounting brackets and OEM-style inlet/outlet connections
• Satin black anti-corrosion finish
• Individually leak and pressure tested
• Manufacturer Part Number: 8275

Fits select 2021-2025 BMW M2, M3, and M4 (G87, G80, G81, G82, G83). This includes Base, Competition, CS, and CSL trims.

The CSF 8266 High Performance Engine Oil Cooler is a critical upgrade for the G8X platform, specifically designed to address heat management and protection. Utilizing CSF's advanced AC Condenser Technology, this unit features a 1-row, super-high pressure 32mm 10-channel microtube core. This design maximizes surface area contact and optimizes oil flow compared to the factory unit, making it an essential component for high-output builds, drag racing, and track-day reliability.

A standout feature is the integrated heavy-duty rock guard. Because the factory oil cooler sits low and exposed, road debris frequently causes punctures that lead to catastrophic engine failure. This CSF cooler provides peace of mind with added physical protection without sacrificing airflow. The unit is a true drop-in replacement, utilizing OEM top and bottom rubber seals and factory style inlet/outlet connections for a perfect fit with no modifications required.

• Manufacturer Part Number: 8266
• 1-Row 32mm 10-channel microtube core for maximum heat rejection
• 8mm tall multi-louvered fins (increased from 6mm OEM spec)
• Integrated rock guard protects core from road and track debris
• Compatible with factory ducting and shrouds
• Utilizes OEM style quick-connect inlet/outlet ports
• Drop-in fitment requires no vehicle modification
• 2-Year Limited Warranty

Fits select 2015-2021 BMW M2 Competition/CS, M3, and M4 models (F8X chassis).

Engineered to replace the prone-to-failure factory units, the CSF 8258 Auxiliary Radiator provides a substantial cooling upgrade for high-performance street and track applications. CSF eliminated the weak OE plastic mounting pods in favor of a modular, 100% all-aluminum TIG-welded design that fits both the left and right sides of the vehicle. This design maximizes internal space, allowing for a 42mm 2-row high-performance core that offers a 6.4% increase in core size and a 10% increase in tank volume over stock.

Equipped with CSF’s exclusive B-Tube technology, these radiators optimize heat dissipation through increased surface area and improved airflow. To address common road debris punctures, this unit includes a detachable, integrated bolt-on rock guard for added protection. The satin black finish provides a durable, stealthy look behind the grilles, while the OE-style "quick connect" fittings ensure a true drop-in installation with no modifications required.

• Manufacturer Part Number: 8258
• Construction: 100% all-aluminum TIG-welded
• Core Architecture: 2-row 42mm core with B-Tube Technology
• Fin Height: 6.5mm multi-louvered design for maximum surface contact
• Fitment: Modular design fits both left and right sides (sold individually)
• Finish: Satin black for OEM+ appearance
• Included Hardware: Integrated detachable rock guard
• Testing: Individually leak and pressure tested
• Warranty: 2-year limited warranty

Fits select 1965-1989 Porsche 911 and 930 Turbo models across all trim levels including Carrera, SC, and Speedster. This CSF high-performance engine oil cooler is an OEM+ recreation of the original Behr unit, designed to solve the sourcing difficulties and durability issues of the factory components.

Engineered for versatility, this single unit (MPN 8242) features a dual-fitment design that services both early 1965-1973 threaded connections and late 1974-1989 slip-on style oil lines. The CNC-machined stainless steel "Widemouth" M30 fittings provide 50% greater flow capacity than OEM connections, while ensuring a leak-free seal that surpasses the original aluminum hardware. The core utilizes a modern tube-and-fin design for lower pressure drop and superior heat dissipation compared to the original factory core.

• Modern Cerakote titanium finish for enhanced heat rejection and corrosion resistance
• 50% greater flow capacity via M30 "Widemouth" stainless steel fittings
• CNC-machined mounting plate with helix design for maximum strength and reduced weight
• Modern Tube & Fin core construction with lower pressure drop
• Complete drop-in fitment requiring no vehicle modifications
• Includes two high-quality copper crush washers for a secure seal
• Manufacturer Part Number: 8242
• 10-year manufacturer warranty

Fits select 1992-2002 BMW 3-Series and Z3 models. The CSF 8241 Oil Line Adapter Kit is engineered to facilitate a professional-grade transition to -10 AN oil lines, making it an essential component for engine swaps or high-performance cooling system upgrades. By replacing the stock connections, this adapter allows for the use of flexible, high-flow AN plumbing.

Each bracket is precision-machined from CNC billet aluminum to ensure exact fitment and a leak-free seal. Specifically designed to fit the S54 engine side flange, this kit is fully compatible with CSF #8032 and #8240 oil coolers. Please note that two adapter kits are required to complete a full AN line conversion for most oil cooler installations.

• Compatible with CSF #8032 and #8240 Oil Coolers
• Accepts standard -10 AN female line fittings
• Precision-machined CNC billet aluminum construction
• Fits S54 engine side flange
• Manufacturer Part Number: 8241

Fits select 1992-2002 BMW 3 Series and Z3 models (323i, 325i, 328i, M3, and Z3) configured for an S54 engine swap.

The CSF 8240 S54 Swap Race-Spec Oil Cooler is engineered specifically for enthusiasts who want to maintain air conditioning in their S54-swapped E36 or Z3 chassis. This unit features a shortened right-hand side design to provide necessary clearance for A/C lines to remain in their factory path. Despite its specialized footprint, it utilizes a dual-pass flow pattern to maintain the thermal efficiency required for high-performance driving.

• Turbulated heavy-duty bar and plate core for maximum reliability and heat dissipation.
• Fully TIG-welded extruded end tanks for superior durability under high pressure.
• 8 cooling rows featuring a high-density multi-louvered fin pitch.
• Unique top/bottom dual-pass design maximizes surface area and oil residence time.
• Engineered to work in conjunction with the CSF #7211 S54-swap all-aluminum radiator.
• Accepts factory BMW S54 oil line connections for simplified plumbing.
• Finished in Motorsport Silver for corrosion resistance and a professional look.
• Manufacturer Part Number: 8240

Fits select 2020-2025 BMW M2, M3, M4, X3 M, and X4 M models (S58 engine).

The CSF 8233B "Level-Up" Charge-Air-Cooler Manifold is a high-performance cooling solution for the S58 platform, developed in partnership with PWR and Studio RSR. While the OEM intercooler features plastic end tanks crimped to a core that often fails at boost levels as low as 27 psi, this manifold is engineered for extreme performance. It features a Formula 1-grade liquid-to-air bar and plate core by PWR, pressure tested to 120 psi to ensure reliability in professional motorsports applications.

Constructed from CNC-machined billet aluminum and finished in a Thermal Dispersion Black powder-coat, this manifold provides superior heat dissipation and structural integrity. The design includes integrated ports for fuel injection and nitrous, providing a comprehensive solution for high-horsepower builds.

• Manufacturer Part Number: 8233B
• PWR Bar & Plate core pressure tested to 120 psi
• CNC-machined billet aluminum construction replaces failure-prone plastic components
• Integrated port injection with included fuel rail and block-off bungs
• Integrated nitrous ports with block-off bungs
• KYLEX thermal spacer included to reduce heat soak from the cylinder head
• Maintains access to engine oil filter and utilizes OEM-style gasket seating
• Machined coolant hose quick connects and integrated bleeder screw
• Reduced IATs and lower pressure drop compared to factory manifold

Fits 2020-2025 BMW M2, M3, M4, X3 M, and X4 M models equipped with the S58 engine.

The CSF "Level-Up" Charge-Air-Cooler Manifold (CSF #8233) addresses a primary failure point on the S58 platform: the factory plastic manifold. While the OEM unit is prone to cracking and gasket failure at boost levels starting at 27 psi, this CNC-machined billet aluminum assembly is pressure tested to 120 psi. Developed in partnership with PWR and Studio RSR, it utilizes an F1-grade liquid-to-air bar-and-plate core to significantly reduce intake air temperatures (IATs) and minimize pressure drop in high-performance applications.

Beyond cooling efficiency, this manifold is a complete fueling and sensor solution for big-power builds. It features integrated port injection with an included fuel rail and integrated nitrous ports, both supplied with block-off bungs for those running standard setups. A KYLEX thermal spacer is included to resist heat soak from the cylinder head, ensuring consistent power delivery during extended track sessions.

• Precision CNC machined billet aluminum construction with TIG welding
• High-performance PWR liquid-to-air bar & plate intercooler core
• Pressure tested to 120 psi for high-boost motorsports reliability
• Integrated port injection with fuel rail and block-off bungs included
• Integrated nitrous ports and top-side perimeter pad for up to 3 additional sensors
• KYLEX thermal spacer included to maximize resistance to heat soak
• Integrated coolant reservoir mounting locations and EVAP hose stand-offs
• Machined coolant hose quick connects and integrated bleeder screw
• Optimized clearance for easy engine oil filter access
• Removable engine cover pin and OEM-style gasket teeth for secure seating
• Raw Billet Aluminum finish
• Includes all necessary brackets, hardware, and instructions
• Manufacturer Part Number: 8233

Fits select 2021-2025 BMW M2, M3, and M4 (G8X) models.

The CSF 8221 High-Performance Dual-Core Transmission Oil Cooler is an essential upgrade for G8X owners who demand superior thermal management during road racing, drag racing, or high-performance street driving. This drop-in replacement utilizes a dual-core design that provides a massive 194% increase in core and tank volume over the factory unit, significantly reducing transmission fluid temperatures under high-load conditions and with aftermarket transmission tuning.

Engineered using CSF’s advanced AC condenser technology, the cooler features a 1-row, super-high pressure 16mm 9-channel microtube for maximum surface area contact and optimized oil flow. The system includes an integrated front rock guard to protect the core from debris and utilizes OEM-style "Quick Connect" inlet/outlet ports for a seamless installation using factory rubber seals.

• Fluid Capacity: 1700ml (94% increase over OEM 875ml)
• Core Thickness: 44mm (Two 22mm stacked cores)
• Construction: 32 total rows (16 rear / 16 front)
• Overall Height: 191mm (vs. OEM 155mm)
• Direct "Drop-in Fit" requires no vehicle modifications
• Compatible with CSF #8215 Heat Exchanger or OEM cooling systems
• Manufacturer Part Number: 8221
• 2-Year Limited Warranty

Fits select 2015-2025 BMW M2 Competition, M2 CS, M3 Base, M4 Base, M4 CS, M4 GTS, X3 M, and X4 M models. This CSF engine oil cooler is an essential upgrade for vehicles seeing track time, drag racing, or increased power levels through performance tuning.

Engineered for maximum thermal efficiency, the CSF #8220 utilizes high-pressure 32mm 10-channel microtube technology. This design provides significantly more surface area contact for oil flow compared to the factory unit. To further improve heat dissipation, CSF employs 5.4mm multi-louvered fins, which are considerably more dense than the OEM 7mm fin height. For added durability in high-speed environments, this unit includes an integrated rock guard to protect the core from debris.

• Direct drop-in fitment requiring no vehicle modifications
• Utilizes OEM-style inlet/outlet connections and mounting points
• Compatible with factory top and bottom rubber seals for proper airflow ducting
• Fits with aftermarket oil cooler guards from Fall-Line and Turner Motorsports
• High-efficiency 32mm 1-row core with 10-channel microtubes
• Includes all necessary mounting hardware
• Manufacturer Part Number: 8220
• 2-Year Limited Warranty

Fits 1988-1991 BMW M3 Base.

The CSF 8218 Group A / DTM Race Style Oil Cooler is engineered for BMW E30 M3 owners requiring superior thermal management for track use or high-performance restorations. Utilizing an extremely rugged bar-and-plate design, this cooler provides significant durability against road debris compared to standard tube-and-fin units. The core features CSF’s proprietary Aero-Flow bar design, which reduces weight while maintaining structural integrity and maximizing airflow through the unit.

Efficiency is driven by high-density turbulated multi-louvered fins that increase heat exchange rates. With a core approximately 50% larger than the factory unit, this upgrade significantly increases both fluid capacity and surface area for heat dissipation. The 100% all-aluminum construction features TIG-welded cast end tanks and a durable satin black powder coat finish for a discreet OEM appearance behind the grille.

• Manufacturer Part Number: 8218
• Core Design: Rugged Bar/Plate with Aero-Flow lightweight construction
• Cooling Efficiency: High-density turbulated multi-louvered fins
• Capacity: ~50% increase in fluid capacity and surface area over OEM
• Finish: Satin Black powder coat for corrosion and debris resistance
• End Tanks: 100% TIG-welded cast aluminum
• Fitting Kit Includes: Adapters for OEM style lines and -10 AN male connections