Powerflex Rear Shock Mounts are the ideal replacement for the RSMs on your E9X or E8X with 10mm or 12mm-thread performance shocks. Not only will these provide a noticeable improvement in rear shock performance and handling, they're also guaranteed to last a lifetime!Powerflex has extensive experience in automotive suspension and chassis systems and has combined these skills with advanced polyurethane manufacturing techniques. The Durometer is the optimal urethane hardness for this specific part, and ideal for more serious performance and track use where NVH is less important. Race Spec Hardness 10mm Compatible with Ohlins Spec e9x Dampers Includes copper-based grease Sold as a pair Lifetime warranty. NOTE: These RSMs are designed to fit performance shock absorbers with 10mm or 12mm shaft diameters. Most non-adjustable shocks will have a 10mm shaft diameter including OE, Bilstein, KONI non-adjustable & Ohlins Spece9x. Most adjustable shocks will use a 12mm mount, including Ohlins, KONI Sport, JRZ, etc. Fitment:E82, E88 E90, E92, E93 *Not for M3 models with EDC (Electronic Damper Control)
