It is beyond ridiculous for anyone to decide that they know more than the E53 design engineers.

I have been doing my own work for many many years. If I can take it apart I can put it back together. I have always applied the saying to know what I don't know---I never test it. There is simply no logic in not changing the bolts.

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X5 4.6 2002 Black Sap, Black interior. 2013 X5M Melbourne Red, Bamboo interior
Dallas