I've got a 2005 X5 3.0. Since May 2017, the exhaust gaskets at the catalytic converter have been replaced 3 times. They need to be replaced again now. Any ideas on what could be the cause of this recurring problem?
1 Faulty workmanship...is the same shop making the install?
2 Bad batch...do you get them from the same store?
3 Are they the correct gaskets? oem? china?
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