It moves rack 46mm forward for better Ackemann curve and a 5mm lower for oilpan clearance

Driveshaft has to be from BMW E90 or E90 M3 or an aftermarket one that fits E90

You can tune your steering geometry towards positive Ackermann in just a few minutes even at trackside without messing up the alignment

During steering the car chassis is moving up and down – this is called jacking

CFD and Bench Validated Flow Performance

Concaver CVR7 20x10 ET20-48 BLANK Platinum Black CB: 72,6 JR35 It moves rack 46mm forwardPCD: 5x108, 5x110, 5x112, 5x114. 3, 5x115, 5x118, 5x120, 5x120. 6, 5x127, 5x130 ET: 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48