RTAB's, Rear trailing arm bearings

Syncro Design Works Rear Trailing Arm Bearings for BMW E36, E46 & Z4 Ready to make your BMW handle like new again? Syncro Design Works Rear Trailing Arm Bearings (RTABs) are the ultimate upgrade for your E36, E46, or Z4. We designed these bearings to fix a common weak spot in your car's suspension, giving you a new level of precision and durability on the road or at the track. Why are the old bushings a problem? The factory rubber bushings in your trailing arm are a major control point for your rear wheels. Over time, they wear out and get soft, allowing the wheels to move around more than they should. This can make the back of the car feel squirmy or unstable, especially when you hit the brakes hard or get on the gas. If you've upgraded your car with more horsepower or sticky tires, you've probably noticed this even more. Our bearings are a permanent fix that keeps your suspension geometry perfect. What makes our bearings so special? Unlike a simple gate hinge motion from the ori