2004 BMW 645CI Transmission and drivetrain Problems
- Complaints
- 1about this part
- Share
- 9%of 11 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 transmission and drivetrain of the 2004 BMW 645CI, 9% of the 11 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.
“2004 Bmw 645CI. Consumer states problem with vehicle stalling several times. An independent repair shop performed a diagnosis and codes for the camshaft sensor and solenoids appeared. The parts were replaced, however the stalling continued. The vehicle was towed to the repair shop and again and the mechanic performed another diagnosis and stated the problem was the idrive, but when he attempted to reprogram the idrive, it was determined the ccc and dme were bad and needed to be replaced.”
NHTSA complaint #10394508, filed 2011-04Related service bulletins
- 10148034Sep 1, 2014"Intelligent Battery Sensor Diagnosis Hints. The vehicle enters the workshop with one or more of the following complaints: * Check Control Message related to battery discharge *…
Transmission and drivetrain: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2005 | 1 | 3% |
| 2004 | 1 | 9% |
Other parts of the 2004 BMW 645CI
5 complaintsSeat belts
4 complaintsElectrical system
3 complaintsBrakes
2 complaintsSeats
2 complaintsElectronic stability control
1 complaintsEngine
1 complaintsEngine cooling
1 complaintsSteering
1 complaintsWheels
1 complaints
← All problems reported for the 2004 BMW 645CI
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 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