Under hard braking the stock mounts allow the engine lean forward. These solid UHMW replacement mounts stiffen the engine and drivetrain, dramatically changing the responsiveness of your BMW. These solid UHMW motor mounts are a direct replacement for OEM rubber motor mounts.UHMW is an excellent general-purpose plastic with a unique combination of wear and corrosion resistance, low friction surface and impact strength. It is resistant to chemical attack and moisture absorption, and retains key physical properties to -30 C. We highly recommend installing our transmission and engine mounts as a complete kit. The item "BMW Solid Motor Mount Set-M5X & S5X" is in sale since Thursday, June 30, 2016. This item is in the category "eBay Motors\Parts & Accessories\Car & Truck Parts\Suspension & Steering\Steering Racks & Gear Boxes". The seller is "silence08" and is located in Fort Lauderdale, Florida. This item can be shipped worldwide.