All the metal components on E90 rear suspension are from high strenght steel

Brakes: Brakes has to be from BMW E90 with 336 mm brake disc or BMW E90 M3

It allows to gain more grip ans stability over the OEM setup

Boost Reference Adapter - Suits Mercedes Benz AMG A45 2013 to current year models

Vacuum (Vee Port Pro) High -21inHg

Xtreme Performance - 230mm Rigid Ceramic Twin Plate Clutch Kit Incl Flywheel 1800Nm KNI23544-2E Others All the metal components onXtreme Clutch 230mm twin plate kit The Xtreme Clutch 230mm Race Clutch is available with either ceramic, organic or carbon friction materials, making these kits ideal for high horsepower and motorsport applications where a high heat capacity is required. The Xtreme 230mm Race Clutch is the ultimate in clutch solutions with a range like no other. The 230mm range boasts a variety of kits to suit most high horsepower applications for street, circuit,