BILSTEIN 46-180568 Pro-Kit B12 (R4) BMW 3 (E90) ymm_53 The RSL29 compound is a

The RSL29 compound is a low-metallic

Each rail comes with -8 AN to -6 AN adapters pre-installed to allow for plug and play installation with the COBB Fuel Line Kit

COBB Aggressive and COBB High Torque Aggressive maps increase the auto shift limit to a maximum of 7400RPM

clear exhaust sound

BILSTEIN 46-180568 Pro-Kit B12 (R4) BMW 3 (E90) ymm_53 The RSL29 compound is aDescription BILSTEIN 46 180568 Suspension Kit, springs shock absorbers B12 Pro Kit BILSTEIN B12 is a sport suspension designed for those seeking to lower or raise their vehicle while improving ride dynamics and comfort. This system combines high performance BILSTEIN gas pressure shock absorbers with high quality performance springs, resulting in a complete sport suspension with vehicle specific characteristics. The BILSTEIN B12 delivers noticeably