Originally Posted by mdyaman
you sure about that?
both are stock, and the M5 is a touring. This is straight line, not sure about the ring or twisties...
seems X5M has more torque but it has to deal w/ its weight, etc.
LOL love the X5M but i think i will stay with my M5 .... the X5M looked like it was one small crack in the road from flipping over LOL