2004 BMW 545I engine problems
10 owner complaints filed with NHTSA name the engine on the 2004 BMW 545I — 23% of all complaints for this model year.
What owners report
“Drive moderately keeps popping up an service engine after getting bmw to check it an fix it also it won't crank sometimes but the battery an alternator is brand new but after it sit for hours it finally crank up, maybe it's an security issue but it's unnecessary”
filed Aug 11, 2016
“Tl* the contact owns a 2004 bmw 545i. While driving 65 mph, the vehicle overheated. The contact stated stated that the pump cool pipe was making the vehicle overheat. The contact stated that the vehicle was diagnosed. The manufacturer was notified of the failure. The failure mileage was 140,000.”
filed May 16, 2016
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
Engine will crank but not start. There is no communication with the integrated fuel module (TFE) whendiagnosing with ISTA. The following two fault codes will be stored in the DME: 032B43 - Low fuel pressure system…
B160623 · Service Bulletin/Repair Instructions · issued Dec 20, 2023
Other reported problem areas on the 2004 BMW 545I
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.