The Bilstein 15-18 BMW M3 B4 OE Replacement (DampTronic) Suspension Strut Assembly - Front Right is a direct replacement for the original equipment (OE) strut assembly on the BMW M3 from 2015-2018. It is designed to provide superior damping performance and improved ride comfort. This strut assembly features a monotube gas pressure construction, a self-adjusting deflective disc valve, and a low-friction seal. It is also corrosion-resistant and has a durable powder-coated finish. This strut assembly is designed to provide increased stability and improved handling, while also reducing vehicle body roll and brake dive.