Suspension Secrets BMW M3/M4 Adjustable Rear Traction Arms (F80/F82/F83) RS6 (C8) SUSPENSION The backbox has been completely

The backbox has been completely redesigned into a twin silencer setup and when the valves are open

reliability and aesthetics of your N55-powered BMW

With the use of the optional Akrapovic Sound Kit

BMW F32/F33 4 Series (2014-2018)

Suspension Secrets BMW M3/M4 Adjustable Rear Traction Arms (F80/F82/F83) RS6 (C8) SUSPENSION The backbox has been completelyThis BMW F80 M3 and F82 M4 rear adjustable suspension traction arm upgrade from Suspension Secrets is essential for fine tuning the kinematics of your BMW. They work under the compression of the rear wheels, primarily when the throttle is applied. The traction arms control the amount of toe in or toe out that occurs. Suspension Secrets' adjustable arms can be fine tuned to control the rotation of the hub under rear compressions. Their adjustability