BMW 328 owners have reported 2 problems related to engine knocking noise (under the engine and engine cooling category). The most recently reported issues are listed below.
Oil leaks in the motor when parked. Grinding or knocking sound coming from the lower part of the rear suspension only when moving in reverse.
See
all problems of the 2007 BMW 328
🔎.
Slight knocking sound when car is idling. Car shakes, when it is at idle, during traffic, the complete car shakes, even the steering wheel shakes and vibrate!.
See
all problems of the 2014 BMW 328
🔎.