The TED41946 polyurethane bush is a replacement for the standard metal-rubber bush of the rear lower wishbone in BMW cars. Polyurethane bushings are a more durable alternative to anti-vibration suspension elements, which, due to their characteristics, stiffen the suspension more than rubber bushings. In the case of car suspension tuning or the need to increase the durability of the suspension, the use of polyurethane bushings is a solution that must be considered.
TED36509 Bushing Installation Instructions (Manual #51)
One of the ways to improve the durability of a car suspension is to use polyurethane bushes instead of standard