KW H.A.S. Height Adjustable Spring Kit for Select 2021-2026 BMW M2, M3, and M4 - 253200EB

Fits select 2021-2026 BMW M2, M3, and M4 (Base, Competition, Competition xDrive, and CS).

The KW Height Adjustable Spring (H.A.S.) kit offers a significant upgrade over conventional lowering springs by providing a customizable ride height. Unlike fixed-rate springs, the H.A.S. system utilizes a threaded height adjuster that allows you to dial in your vehicle's stance even after the kit is installed. This setup is specifically engineered to maintain the full functionality of factory adaptive or electronic suspension systems, ensuring that your OE damper controls and driver assistance features remain operational.

Constructed from high-tensile chrome-silicon steel, these springs are multi-coated for long-term durability and tuned for the specific wheel loads of the BMW M-chassis. The kit includes application-specific elastomer bump stops and dust protection to prevent premature wear on factory dampers caused by road debris. By pairing these vehicle-specific spring rates with your OE dampers, you achieve more agile steering behavior and improved dynamics without sacrificing the ride quality expected of a performance-oriented vehicle.

• Continuous ride height adjustment within a tested lowering range
• Compatible with factory electronic and adaptive suspension systems
• High-strength multi-coated chrome-silicon steel construction
• Includes vehicle-specific elastomer bump stops and dust protection
• Engineered and tested on the Nurburgring Nordschleife and KW 7-post rig
• Manufacturer Part Number: 253200EB
• Limited Lifetime Warranty with unlimited mileage