My car's high speed stability improved when I lowered the rear tire pressure by 3 psi from the factory sticker. 41psi was way to hard and twitchy....
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Current: 18 X3 xDrive30i
Past: 03 530i Sport | 06 330ci ZHP | 14 X1 xDrive35i M-Sport | 11 328i M-Sport | 98 M Roadster
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