2004 BMW 745LI Electrical system Problems
- Complaints
- 2about this part
- Share
- 6%of 33 total for the year
- Median mileage
- 80,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 2 complaints about the electrical system of the 2004 BMW 745LI, 6% of the 33 complaints for this model year. Where a mileage was given, the median is 80,000 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 contact owns a 2004 Bmw 745LI. The contact stated that there had been an extensive oil leak from the vehicle. The vehicle was taken to an authorized dealer several times but the failure was not able to be duplicated or diagnosed. The contact also described a burning metal and oil odor in addition to a while cloud of smoke. The alternator and battery were repaired twice by an independent mechanic however, the failure persisted. …”
NHTSA complaint #10583375, filed 2014-04, 130,000 milesRelated service bulletins
- 10249437Jan 16, 2024The basic conditions for initializing the power windows are not met.
- 10249027Jan 11, 2024The 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…
- 10245422Nov 22, 2023Customers may state that the alarm system (DWA) is not active after locking their unoccupied vehicle. Depending on the vehicleâÂÂs equipment and settings, no acoustic or…
- 10182619Oct 1, 2020Discharged 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…
- 10146779Nov 1, 2016Diagnosing 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…
- 10151068Feb 1, 2016This 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…
- 10147123May 1, 2015Diagnosing Stored Fault Codes to Help Avoid Repeat Repair Visits. Analysis of FASTA data and repeat repair visit reports indicates that there are many fault codes that are stored…
- 10147067Feb 1, 2015This Service Information bulletin supersedes SI B07 03 14 dated February 2015. designates changes to this revision SUBJECT Diagnosing Stored Fault Codes to Help Avoid Repeat…
- 10148166Dec 1, 2014N62TU: EDK Throttle Potentiometer Faults - Diagnostic. The "Service Engine Soon" and DSC/DTC warning lights are illuminated. Engine enters the power reduction ("fail-safe") mode…
- 10148120Jul 1, 2014Check Control Messages Related to Battery Charge During Cold Ambient Temperatures. On cold days with an outside ambient temperature of less than 15°F, customers may notice a…
Electrical system: other model years
Other parts of the 2004 BMW 745LI
11 complaintsAir bags
9 complaintsEngine
6 complaintsBrakes
3 complaintsSeat belts
3 complaintsSeats
3 complaintsBody and structure
2 complaintsVehicle speed control
2 complaintsWheels
2 complaintsEngine cooling
1 complaintsEquipment
1 complaintsLatches, locks and linkages
1 complaints
← All problems reported for the 2004 BMW 745LI
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