E46 Fanatics Forum banner
  • Hey everyone! Enter your ride HERE to be a part of this month's Ride of the Month Challenge!
start up noise
1-1 of 1 Results
  1. General E46 Forum
    2004 330xi 50 k mi. For about 2-3 seconds after starting in the morning, there is a squealling sound comming from the engine. The sound seems to be coming from the area where the air intake hose goes below the intake manifold. It sounds cross beteween a belt squeal and a heater fan motor going...
1-1 of 1 Results
Top