Last year I took my X5 to a DYI shop to use a lift. The front shaft guido was replaced. While I had it up in the air, a tech came by. He stated he has seen a lot of BMWs there. A lot of them for exhaust work. He says they come back to remove mods and install back OEM exhaust. Or another change is made.

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'06 X5 3.0i - bought @143,123 miles (12/26/20)