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Bilstein B6 (DampTronic) 36mm monotube front left strut assembly for 2015 BMW M3/M4 upgrades OE dampers while retaining factory electronic suspension control. These application-specific dampers preserve active features and factory settings, offering targeted valve tuning and a monotube design to improve handling and safety without changing the vehicle's electronic damping system functionality.
Bilstein B6 (DampTronic) 2015 BMW M3/M4 Front Left Monotube Strut Assembly
