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OP, you have an engineering marvel, the X6M....I don't understand why would you mess around with it?
I wouldn't mess around with my M3 ever....it's been produced by the M Gmbh...why would anyone think that a local tuning garrage may really improve the performance on such wonderful cars?
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22 M4 Competition xdrive
19 M5 Competition sold
16 F-Type S AWD sold
11 Audi RS5 Misano Red--sold
08 E92 M3 Jerez Black 6MT--sold
08 E92 335i 6MT traded in for M3
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