I have almost 169k on my diesel. So far no huge issues. Do have a current NOx system inefficiency DTC; 04D16 / P20EE. I've looked at your threads with interest. Hope repairs go smoothly.

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8/2011 X5 xDrive35d Sport, Black Sapphire Metallic, Black Nevada Leather, Fine Burr Walnut Trim
2/2001 M5, Jet Black, Exclusive Complete Black Walk Nappa Point Heritage Leather, Black Cubic Trim