BMW F20 / F21 / F22 / F30 / F32 / F33 / F36 rear subframe mod kit will allow you to adjust rear grip level by changing the position of the #7 arm

much like how an electronic throttle body is controlled and the strategy is as good as your imagination and your ECU or controller will allow

hand assembled and individually tested before shipping

This rear kit can be used only with "true" style one-piece rear coilovers

38mm GenV UltraGate38HP – TS-0551-1312

Concaver CVR2 20x12 ET0-40 BLANK Brushed Bronze CB: 72,6 JR36 BMW F20 / F21 /PCD: 5x108, 5x110, 5x112, 5x114. 3, 5x115, 5x118, 5x120 ET: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40