BILSTEIN 19-135052 Shock absorber rear B4 (R1) BMW 3 E90 E91 ymm_49 Reflect-A-Cool™ can be trimmed to

Reflect-A-Cool™ can be trimmed to fit just about any shape

Constructed with non-woven synthetic filter media

9 Sensor upgrade

Upholstered in Nardo Grey fabric

BORLA Cat-Back and Axle-Back exhaust systems utilize patented straight-through and multi-core technology to increase exhaust velocity and unleash hidden horsepower

BILSTEIN 19-135052 Shock absorber rear B4 (R1) BMW 3 E90 E91 ymm_49 Reflect-A-Cool™ can be trimmed toDescription BILSTEIN 19 135052 Rear Shock Absorber B4 OE Replacement The Bilstein B4 is designed as an ideal OE replacement shock absorber. Its specifications and function match the original equipment, and it is manufactured to the same quality standards as OE, making it suitable for reliable replacement of the original shock absorber. The Bilstein B4 restores the vehicles original handling characteristics, providing a driving experience similar to