Weld-In Chassis Reinforcement Kit for BMW E36 This kit consists of reinforcements for : Front subframe (engine mounts) Rear suspension arms Rear ARB Rear suspension turrets With the E36 becoming older covering more mileage or being used for performance applications wear and tear begins to take hold. The E36 is also particularly susceptible to tearing at the rear subframe/chassis this kit will strengthen and stiffen your car preventing this from happening. Compatible with all E36 except Compact.