2004 BMW 745LI problems & reliability
33 owner complaints filed with NHTSA for the 2004 BMW 745LI. Last verified Aug 7, 2026. Complaints are unverified reports submitted by owners to the federal Office of Defects Investigation.
Each complaint is counted once (by NHTSA case number), even when it names several vehicles.
Federal crash records (FARS 2020–2023): 2004 BMW 745LI vehicles were involved in 3 fatal crashes with 1 occupant death. Involvement counts are not adjusted for how many are on the road and do not imply fault or a vehicle defect.
Most reported problems
| Component | Complaints | Share |
|---|---|---|
| Power Train → | 11 | 33% |
| Air Bags | 9 | 27% |
| Engine | 6 | 18% |
| Seat Belts | 3 | 9% |
| Seats | 3 | 9% |
| Service Brakes, Hydraulic | 3 | 9% |
| Electrical System | 2 | 6% |
| Structure | 2 | 6% |
| Vehicle Speed Control | 2 | 6% |
| Wheels | 2 | 6% |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.
All 15 reported components →Common symptoms owners describe
Keyword analysis of complaint narratives; one complaint can describe several symptoms.
Mileage when problems occurred
Among the 30 complaints that included a usable odometer reading, the median reported incident mileage was 95,500 miles (middle 50% between 73,934 and 127,645 miles).
Complaints by incident year
What owners report
“The contact owns a 2004 BMW 745LI. The contact stated that while driving at an undisclosed speed, the passenger's side air bag warning light illuminated. The vehicle was taken to an independent mechanic, who diagnosed that the failure was related to NHTSA Campaign Number: 04V379000 (Seats) however, the VIN was not…”
Air Bags · filed May 15, 2023
“Tl* the contact owns a 2004 bmw 745li. While driving unknown speeds, the vehicle hesitated and the check engine indicator illuminated. The vehicle was taken to an independent mechanic and it was diagnosed that oil was leaking onto the manifold. Also, the wheels and axle needed to be replaced. The vehicle was not…”
Engine · filed May 30, 2018
“Engine valve guide seals made of improper material that fails causing oil leakage into exhaust, fouling of catalytic converter, failure to pass inspection and pollution. The valve guide seals are not compatible with high engine temperatures which causes the seals to fail at 80,000 to 120,000 miles. My seals failed at…”
Engine · filed Jun 1, 2016
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Federal defect investigations
- Vehicle Rollaway
Engineering Analysis EA12002 · opened Apr 10, 2012 · closed Jan 24, 2013 · led to recall 12V502000
- Vehicle Rollaway
Preliminary Evaluation PE11025 · opened Aug 5, 2011 · closed Apr 23, 2012
Technical service bulletins
24 manufacturer communications (TSBs, service campaigns, warranty extensions) are on file with NHTSA for the 2004 BMW 745LI. The 10 most recent:
The basic conditions for initializing the power windows are not met.
B510819 · Service Bulletin/Repair Instructions · issued Jan 16, 2024
The electrical system of BMW vehicles has been subject to an ongoing development process over the last few years. This has led to increased demands being placed on the battery. This document covers important information…
B611305 · Service Bulletin/Repair Instructions · issued Jan 11, 2024
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
Customers may state that the alarm system (DWA) is not active after locking their unoccupied vehicle. Depending on the vehicleâ  s equipment and settings, no acoustic or optical confirmation (folding the…
B653423 · Service Bulletin/Repair Instructions · issued Nov 22, 2023
Vehicle cannot be opened or closed using comfort access, engine start is not possible, and the vehicle may not start when placing the key against the steering column.
B662419 · Service Bulletin/Repair Instructions · issued Sep 1, 2022
Discharged Battery Energy Diagnosis Must Be Performed: The electrical system of BMW vehicles has been subject to an ongoing development process over the last few years. This has led to increased demands being placed on…
B611305 · Service Bulletin/Repair Instructions · issued Oct 1, 2020
NAVIGATION SYSTEM: REPORTING MISSING OR INCORRECT ROAD MAP DATA: The route guidance is inaccurate and therefore irritating to the customer; or it is not possible to locate certain addresses, for instance:
B650709 · Service Bulletin/Repair Instructions · issued Jun 1, 2018
NAVIGATION SYSTEM: REPORTING MISSING OR INCORRECT ROAD MAP DATA: The route guidance is inaccurate and therefore irritating to the customer; or it is not possible to locate certain addresses, for instance:
B650709 · Service Bulletin/Repair Instructions · issued May 1, 2018
Diagnosing Stored Fault Codes to Help Avoid Repeat Repair Visits This Service Information bulletin supersedes SI B07 03 14 dated October 2015.. Fault codes stored in vehicles being serviced are not being diagnosed…
B070314 · Service Bulletin/Repair Instructions · issued Nov 1, 2016
This Service Information bulletin supersedes SI B07 03 14 dated October 2015. Diagnosing Stored Fault Codes to Help Avoid Repeat Repair Visits. Fault codes stored in vehicles being serviced are not being diagnosed…
B070314 · Service Bulletin/Repair Instructions · issued Feb 1, 2016
TSBs are repair guidance manufacturers send to dealers — they are not recalls and repairs are not automatically free. Full documents are available on NHTSA’s site.
Safety recalls
No NHTSA recall campaigns name the 2004 BMW 745LI in our current data. Recalls may apply only to certain VIN ranges — always confirm with a VIN check.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →Buying a used 2004 BMW 745LI?
- · Decode the seller’s VIN with our free VIN decoder to confirm the exact year, engine and trim.
- · Check for unrepaired recalls by VIN on NHTSA’s official lookup — recall repairs are free.
- · Among complaints with usable mileage, the median reported incident mileage was 95,500 miles. This does not predict when a particular vehicle will develop a problem.