2003 BMW 525I Engine cooling Problems
- Complaints
- 1about this part
- Share
- 3%of 32 total for the year
- Median mileage
- —not reported
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 1 complaints about the engine cooling of the 2003 BMW 525I, 3% of the 32 complaints for this model year.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“2003 Bmw 525I died twice leaving the consumer stranded.***no answer required***. The ignition coils failed on the vehicle. The consumer stated the vehicle made a terrible noise when it was first started, the dealer replaced numerous parts, but to no avail.”
NHTSA complaint #10135620, filed 2005-08Related service bulletins
- 10247567Dec 20, 2023Engine 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…
Engine cooling: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2007 | 3 | 4% |
| 2006 | 3 | 4% |
| 2004 | 1 | 1% |
| 2003 | 1 | 3% |
| 2002 | 2 | 7% |
| 2001 | 4 | 18% |
| 1995 | 4 | 17% |
| 1994 | 3 | 43% |
| 1993 | 3 | 60% |
| 1992 | 7 | 39% |
| 1991 | 5 | 38% |
| 1990 | 6 | 55% |
Other parts of the 2003 BMW 525I
10 complaintsElectrical system
8 complaintsExterior lighting
4 complaintsSeats
3 complaintsVisibility (wipers, defrost, mirrors)
3 complaintsSeat belts
2 complaintsVehicle speed control
2 complaintsBrakes
1 complaintsEquipment
1 complaintsLatches, locks and linkages
1 complaintsOther or unknown
1 complaintsSteering
1 complaints
← All problems reported for the 2003 BMW 525I
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 27, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology