Bilstein B3 Front Coil Spring (37-313449) - BMW E90 R3 The Bilstein B1 air suspension

The Bilstein B1 air suspension compressor is a direct-fit OE replacement designed to restore full function and performance to your vehicle’s factory air suspension system

Bilstein B1 Mounting Kit – 24-233637

Backed by Bilstein's renowned German engineering and manufactured to exacting standards

Compensation of lateral forces occurring at the MacPherson strut on the front axle through curved form

Bilstein B3 Front Coil Spring (37-313449) - BMW E90 R3 The Bilstein B1 air suspensionIf you're looking for quality, look no further. By choosing BILSTEIN springs, you're backing an uncontested champion: a successful motor sports fitter and a leading original equipment manufacturer of automotive springs. The benefits of BILSTEIN B3 shock absorbers are: Innovative technical designs, such as Pigtail ends, Minibloc forms and central force design High quality chrome vanadium or chrome silicone steel for an extremely high level of break