BMW G20 G21 G42 G81 rear shock absorber Bilstein 20-303334 B4 DampTronic

Direct-fit Bilstein B4 DampTronic rear shock for BMWs with EDC adaptive suspension - no coding, no fiddling. Fits G20 3 Series Saloon, G21 Touring, G42 2 Series Coupe and G81 M3 exactly as OE.

Gas-pressure twin-tube design delivers fast-road composure and track-day consistency without sacrificing daily drivability. Retains full EDC functionality: damping adjusts automatically, just like stock.

• Plug-and-play - same mounting points, same electronics interface
• No spring carrier - uses original top mount and bottom eye
• Bilstein factory-built - not a rebranded generic unit