Two problems related to manifold/header/muffler/tail pipe have been reported for the 2011 BMW 328. The most recently reported issues are listed below.
Pvc valve over heated and sprayed oil on exhaust manifold. Received recall notice from BMW to get it fixed but dealer informs me no parts are available and no idea when parts will be available. BMW advises not to drive car with damaged pvc valve. Still driving car as it is the only car I have. Please ask BMW to supply dealers with parts to fix this issue.
The contact owns a 2011 BMW 328i. While driving 70 mph, the contact noticed white smoke coming from the rear of the vehicle and a burning odor emitted through the vents. Also, the engine warning indicator illuminated. The contact coasted the vehicle to the side of the road and noticed smoke coming from the muffler. The contact resumed driving. The vehicle was not taken to a dealer or independent mechanic for diagnostic testing. The vehicle was not repaired. The VIN was included in NHTSA campaign number: 17v683000 (engine and engine cooling). The manufacturer was not contacted. The approximate failure mileage was 60,000.