2005 BMW 645CI Engine cooling Problems
- Complaints
- 2about this part
- Share
- 6%of 33 total for the year
- Median mileage
- 37,250miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 2 complaints about the engine cooling of the 2005 BMW 645CI, 6% of the 33 complaints for this model year. Where a mileage was given, the median is 37,250 miles. 1 a fire, according to the filers.
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.
“The car was driven home from work, approximately 15 miles, and was parked in the garage of our home. Ten minutes later it combusted and began burning from the engine compartment. It burned to the ground and gutted our house.”
NHTSA complaint #10126071, filed 2005-06, 3,700 miles“The contact owns a 2005 Bmw 645CI. While at a light the vehicle suddenly stalled. The contact attempted to restart the vehicle several times but was unable to start it. The vehicle was towed to the dealer where the computer was reset. The failure continued to occur after the computer was reset. The vehicle was not repaired. The approximate failure mileage was 70,800.”
NHTSA complaint #10407253, filed 2011-06, 70,800 milesRelated service bulletins
- 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…
- 10022023Mar 1, 2009Crankcase ventilation system - cold climate conditions. *kb updated on 10/17/07. *nj updated 6/15/09.
Engine cooling: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2005 | 2 | 6% |
| 2004 | 1 | 9% |
Other parts of the 2005 BMW 645CI
10 complaintsBrakes
6 complaintsSeat belts
5 complaintsElectrical system
4 complaintsSeats
4 complaintsEngine
3 complaintsSteering
3 complaintsExterior lighting
2 complaintsOther or unknown
2 complaintsBody and structure
2 complaintsSuspension
1 complaintsTransmission and drivetrain
1 complaints
← All problems reported for the 2005 BMW 645CI
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 28, 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