The Bilstein B6 DampTronic series is the ideal high-performance shock absorber for drivers who want to maintain the factory electronic damping control system while improving handling stability. This Monotube Strut Assembly (31-246200) is specifically engineered for the Front Left position of the BMW M3/M4. Key features include: Pressure Monotube technology for consistent performance, Plug-and-Play integration with BMW's original electronic suspension adjustment, and increased power reserves for daily or spirited driving. Components included in this unit: - 1x Monotube Gas Pressure Strut (31-246200) - Integrated DampTronic electronic connector - Installation nut and hardware kit