Two problems related to engine exhaust system have been reported for the 2001 BMW 325. The most recently reported issues are listed below.
When turning off air conditioner, a very bad smell comes through the vents. Consumer contacted dealer, who advised that it is was an air quality issue with consumer's environment. Vehicle experiencing problems with the windows.
The engine over heated and stalled, which caused consumer to lose control of the vehicle and hit a curb, the dealer stated the exhaust valves of the engine were bent, and the cam shaft had problems, which caused the vehicle to over heat, consumer believed the installation of the cam shaft, caused the exhaust valves to become bent.