Do you mean a X5M or an X5 with the M cosmetic package?
The TRUE M has a 4.5 second zero-to-sixty performance numbers with the 440 HP & 500ft/lbs of torque. The X5 5.0i with the M-Sport cosmetics does not break the 5 second barrier
Last edited by ndabunka; 08-15-2012 at 04:36 PM..
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