AST 5200 Series Coilovers | 2012-2015 BMW M3/M4 (RIV-B2102SD) Single Disc Clutches the BC Racing BR Series

the BC Racing BR Series offers a reliable solution for lowering your vehicle with confidence

The diffuser is easy to install

allowing for better handling and responsiveness on the track or the road

The real carbon fiber material offers a lightweight yet strong profile

refined look to your vehicle’s front end

AST 5200 Series Coilovers | 2012-2015 BMW M3/M4 (RIV-B2102SD) Single Disc Clutches the BC Racing BR SeriesAST 5200 Series Coilovers 20122015 BMW M3 M4 5200 Series Coilovers Part #: RIV B2102SD Overview The AST 5200 Series Coilovers are a high performance suspension upgrade designed specifically for the 2012 2015 BMW M3 and M4 models. Engineered for enthusiasts who demand precise handling and exceptional control, these coilovers elevate your vehicle's driving experience whether on the street or the track. With their advanced adjustability features, you'll