Bilstein B6 (DampTronic) 36mm monotube front right strut assembly for 2015 BMW M3/M4 is an OE-compatible upgrade that retains factory electronic suspension functions. The damper's monotube design and application-specific valve tuning work with existing springs and controls to improve handling and safety while preserving the vehicle's electronic damping adjustability.
Bilstein B6 (DampTronic) 2015 BMW M3/M4 Front Right Monotube Strut Assembly