Get the perfect stance for your BMW with Air Lift Performance’s rear air spring suspension kit. This kit lowers your suspension without sacrificing ride quality. The BMW rear kit features progressive-rate, sleeve air springs over high-performance monotube and threaded-body shocks. With 32 levels of damping adjustability and threaded lower mounts, the shocks allow for full tuning. Together, these components offer exceptional comfort, performance, and a drop of up to 4.4” (112mm) from stock in the rear. Air Lift Performance stands behind every product with over 70 years of suspension experience. With a one-year, unlimited mileage warranty and dependable customer support, this kit gives you the confidence to roll low.. Lower your BMW and raise your standards to Air Lift Performance. The rear air spring suspension kit for the BMW M3 and M4, PN 76541, offers maximum drop, superior handling, sharp steering response, and a comfortable ride.. Progressive rate springs allow for a lower ride height than coils and excellent handling balance. Air Lift Performance 2015-2018 BMW M3 / 15-20 M4 Rear Kit 5-Bolt. BMW, slammed, dynamic, air spring suspension, Air Lift. Air Lift Performance rear air spring suspension kit. Drop height of up to 4.4” (112mm) below stock. Divorced setup, air bag separate from damper. Double-bellows progressive rate air springs. Stainless steel braided leader hoses. Threaded, adjustable lower mounts. BMW: M3 15 - 18, BMW: M4 15 - 20. High-performance monotube shocks. 32-level damping adjustment. Air Suspension System. Air Lift Performance. Air Lift 76541

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