A direct fit upgrade to all Gen4 Turbosmart wastegates and feature our unique collar-locking system

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BMW E9X or Lexus LS (UCF30) steering rack is needed to be used with this kit to replace the original electric power steering

Ackermann and bump-steer have also been revised for a more refined driving feel

and camber curve back to normal range

JR Wheels JR9 17x7,5 ET20-35 BLANK Gloss Black w/Machined Lip CB: 74,1 Ventiler A direct fit upgrade toPCD: 3x112, 4x100, 4x108, 4x110, 4x114. 3, 5x100, 5x105, 5x108, 5x110, 5x112, 5x114. 3, 5x115, 5x118, 5x120 ET: 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35