For the rear we have an upper link and a lower link these will allow to set up your car for better traction(Upper arm will replace the spring carrier arm)

Wheel hub: Wheel hub has to be sourced from BMW E90 and shoulde be for the bigger wheel bearing

The Electronic actuation results in the widest possible tuning window from zero boost (if manifold priority allows for it) to all available boost

including sheet metal components

Check out the Turbosmart BlackBox Electronic Wastegate Controller with up to 2 independent channels via simple PWM inputs

JR Wheels JR28 15x7 ET25 4x100 Platinum Bronze CB: 67,1 Xtremeclutch For the rear we have