00 00... Exhaust system: checking condition, suspension, for leaks: Routing
WARNING: This page is about a different car, the 2002 BMW M Roadster, 2002 BMW M Coupe, 2001 BMW M Roadster, and 2001 BMW M Coupe. However, it is still accessible from the selected car via links, so may be relevant.
Check that exhaust system is correctly routed and free of obstructions on the underbody.