2004 BMW 325I problems & reliability
147 owner complaints filed with NHTSA for the 2004 BMW 325I, alongside 4 safety recall campaigns. 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.
4 complaints report injuries (4 injured).
Federal crash records (FARS 2020–2023): 2004 BMW 325I vehicles were involved in 15 fatal crashes with 11 occupant deaths. 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 |
|---|---|---|
| Air Bags | 62 | 42% |
| Exterior Lighting | 44 | 30% |
| Electrical System | 21 | 14% |
| Engine | 6 | 4% |
| Visibility | 6 | 4% |
| Latches/locks/linkages | 5 | 3% |
| Structure | 4 | 3% |
| Visibility/wiper | 4 | 3% |
| Equipment | 3 | 2% |
| Seats | 3 | 2% |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.
Common symptoms owners describe
Keyword analysis of complaint narratives; one complaint can describe several symptoms.
Mileage when problems occurred
Half of the failures with a reported odometer reading occurred by 84,000 miles (middle 50% between 53,000 and 117,500 miles), based on 81 complaints that included mileage.
Complaints by incident year
What owners report
“I cannot use put my windows up/down, cannot open the trunk, cannot use interior lights, cannot unlock my gas lid. Due to a broke. Electronic part called the GM5”
Visibility/wiper · filed May 16, 2025
“The contact owned a 2004 BMW 325i. The contact received notification of NHTSA Campaign Number: 20V018000 (Air Bags) and requested to be removed from the recall distribution list as she no longer own the vehicle. The local dealer and manufacturer were not contacted.”
Air Bags · filed Jun 13, 2022
“2004 bmw 325i. Inquiry on behalf of the constituent, in regards to getting assistance with his bmw. The consumer stated the emissions system failed. Multiple repair attempts were made. The dmtl pump was replaced. The consumer requested to be reimbursed for repairs.”
Fuel System, Diesel · filed May 26, 2021
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Federal defect investigations
- Air Bag Inflator Rupture
Engineering Analysis EA15001 · opened Feb 24, 2015 · open · led to recall 22V945
- Air Bag Inflator Rupture
Preliminary Evaluation PE14016 · opened Jun 11, 2014 · closed Mar 2, 2015 · led to recall 15V226000
- Rear Lamp Illumination
Engineering Analysis EA09019 · opened Dec 18, 2009 · closed Sep 28, 2011 · led to recall 11V438000
- REAR LAMP ILLUMINATION
Preliminary Evaluation PE09036 · opened Aug 7, 2009 · closed Dec 22, 2009 · led to recall 11V438000
- REAR LAMP ILLUMINATION
Defect Petition DP09002 · opened Apr 8, 2009 · closed Aug 6, 2009
Technical service bulletins
24 manufacturer communications (TSBs, service campaigns, warranty extensions) are on file with NHTSA for the 2004 BMW 325I. 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
Diagnosis of Compound Brake System Complaints in M Vehicles: 1. Visible cracks are caused by high thermal stresses during rapid heating and cooling of the brake discs. Braking from high speed with cold brake components…
B340414 · Service Bulletin/Repair Instructions · issued Apr 1, 2021
SERVICE ACTION - HEAD AIR BAG HOLDER RETROFIT: A rattle noise may develop from the head air bag (ITS) gas generator contacting adjacent component. This noise can be heard while driving on an uneven roadway.
B651820 · Service Bulletin/Repair Instructions · issued Nov 1, 2020
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
E46 SULEV/PZEV: FUEL TANK DISPOSAL PROCEDURE: E46 M56 vehicles, in addition to meeting the SULEV (Super Ultra Low Emission) tailpipe emission standard, also conform to the Zero Evaporative Emissions (PZEV) regulations…
B160317 · Service Bulletin/Repair Instructions · issued Sep 1, 2020
Takata air bag recall-related short-term alternate transportation and consequential repairs this service information bulletin supersedes si b01 31 18 dated october 2018.
B013118 · Service Bulletin/Repair Instructions · issued Apr 1, 2019
Takata air bag recall-related short-term alternate transportation and consequential repairs this service information bulletin supersedes si b01 31 18 dated october 2018.
B013118 · Service Bulletin/Repair Instructions · issued Apr 1, 2019
Takata class action settlement. Customer support program. Front driver side airbag modules.
B011618 · Service Bulletin/Repair Instructions · issued Jan 1, 2019
For the above-referenced vehicles with passenger?s side airbag modules, BMW of North America, LLC (?BMW NA?) will provide a Customer Support Program as outlined in the Takata Settlement Customer Support Program Overview…
B011718 · Service Bulletin/Repair Instructions · issued Oct 1, 2018
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
The 2004 BMW 325I has 4 NHTSA recall campaigns — recall repairs are free at franchised dealers regardless of the vehicle’s age.
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 325I?
- · 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.
- · Owners most often reported problems around 84,000 miles — budget accordingly if the car is approaching that mileage.