Red steel strut brace for E36 4-cylinder - engine code M40 — TA Technix

The brace connects the two strut top mounts. In hard cornering, the loaded suspension strut pushes outward and the geometry deteriorates at exactly the moment you need it most: the brace distributes the load between both sides.

The front end feels more precise when turning in, and the car maintains the same response from one corner to the next. The effect is noticeable on older chassis, convertibles, and high-mileage cars; it is more subtle on a modern body that is already rigid.