if the hub size is the same then put the wheels on and seee if it touches the caliper....if it doesnt than your good to go. twinspoppa put the m5 wheels on his x with spacers, shoot him a pm to see how it all works out. post some pics when you put two wheels on one side of the X

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2001 X5 4.4i WHITE-Loaded like a baby's diaper SOLD