2006 BMW 525I Engine cooling Problems
- Complaints
- 3about this part
- Share
- 4%of 77 total for the year
- Median mileage
- 135,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 3 complaints about the engine cooling of the 2006 BMW 525I, 4% of the 77 complaints for this model year. Where a mileage was given, the median is 135,000 miles. 1 recall campaign on record is filed under a similar system.
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.
“Several of the head bolts broke due to an engineering flaw. I was told by the Bmw shop that because the head bolts were made from a different metal that they heat and cool at different rates and the bolts tend to break, they had seen it many times. When I contacted Bmw they refused to admit that it was a common problem and would not accept responsibility for the repairs.”
NHTSA complaint #10430840, filed 2011-10, 96,000 miles“The contact owns a 2006 BMW 525i. The contact stated while driving 60-65 MPH, the vehicle started to overheat. The coolant temperature warning light was illuminated. The contact veered to the side of the road and added coolant in the vehicle. The contact then continued to drive. The contact stated that the failure reoccurred while driving. The contact stated that he replaced the thermostat himself. However, the failure persisted and the vehicle failed to start. The vehicle was towed to the residence. …”
NHTSA complaint #11463215, filed 2022-05, 135,000 miles“The contact owns a 2006 BMW 525I. The contact received notification of NHTSA Campaign Number: 22V119000 (Engine and Engine Cooling) however, the part to do the recall repair was unavailable. The contact stated while driving approximately 30 MPH, she noticed the odor of burning plastic. The contact stated that the check radiator light was illuminated. The contact stated that she drove the vehicle to a dealer. The dealer diagnosed that the failure was with the PCV valve and replaced the PCV valve. The vehicle was repaired; however, the contact was billed by the dealer for the repair. …”
NHTSA complaint #11491227, filed 2022-10, 235,641 milesRelated recalls
- 19V273000Apr 4, 2019BMW of North America, LLC (BMW) is recalling certain 2006 525i, 525xi, 530i, 530xi, 530xi Sports Wagon, 325i, 325xi, 325xi Sports Wagon, 330i, 330xi, Z4 3.0i…Covers: BMW 525I 2006, 325I 2006, Z4 2006 +6 more
Related 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…
- 10181214Sep 1, 2020Power Reduction, FC2A82 Intake VANOS and/or FC2A87 Exhaust VANOS Camshaft Fault: The ?Service Engine Soon? (MIL) lamp is illuminated and engine power reduction is perceived. This…
- 10151247Apr 1, 2016N51, N52, N52K and N52T Engines: Various Eccentric Shaft Sensor Faults stored in the DME - Diagnostic Hints. The customer may complain about one of the following: Rough engine…
- 10147598Jan 1, 2015"SUBJECT N62TU: ISTA Service Function for DME ""RAM Backup"". The ISTA Service Function test plan should be performed to clear stored values in the DME RAM memory after repairs…
- 10148087Jul 1, 2014External Engine Oil Leaks and Repairs. During the vehicle's operational life, normal engine oil seepage or sweating, in addition to accumulated road dust, dirt and grime 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 2006 BMW 525I
44 complaintsBrakes
11 complaintsElectrical system
7 complaintsSeat belts
7 complaintsExterior lighting
5 complaintsEngine
3 complaintsFuel system
3 complaintsOther or unknown
3 complaintsSeats
2 complaintsSteering
2 complaintsBody and structure
2 complaintsTires
2 complaints
← All problems reported for the 2006 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