2004 MINI Cooper problems & reliability
282 owner complaints filed with NHTSA for the 2004 MINI Cooper, alongside 2 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.
1 complaint report injuries (1 injured, 1 deaths reported).
Federal crash records (FARS 2020–2023): 2004 MINI Cooper vehicles were involved in 4 fatal crashes with 5 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 |
|---|---|---|
| Steering | 238 | 84% |
| Power Train | 26 | 9% |
| Electrical System | 15 | 5% |
| Visibility | 7 | 2% |
| Engine and Engine Cooling | 6 | 2% |
| Engine | 4 | 1% |
| Suspension | 4 | 1% |
| Structure | 3 | 1% |
| Unknown OR Other | 3 | 1% |
| Electronic Stability Control (esc) | 2 | 1% |
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 73,768 miles (middle 50% between 55,000 and 96,000 miles), based on 249 complaints that included mileage.
Complaints by incident year
What owners report
“The contact owns a 2004 Mini Cooper. The contact received notification of NHTSA Campaign Number: 15V660000(STEERING); however, the part to do the recall repair was unavailable. The local dealer was contacted, and it was confirmed that the part was not available. The contact stated that the manufacturer exceeded a…”
Steering · filed May 14, 2025
“Mini felt like it was getting pushed by the wind . Realized wasn't wind Mini loss of completely all functions of steering wheel. On super busy highway. Devine intervention Was in far left car went left to right lanes then hit median gaurd rail spun around Finally got it to stop. Never Hitting and hurting anyone around…”
Steering · filed Apr 26, 2022
“My wife was driving our 2004 mini cooper home traveling uphill on a steep paved mountain roadway traveling a maximum of 15 mph when for some unknown reason the vehicle left the roadway; struck a tree with its left front and burst into an exploding fire killing my wife who was not able to escape the burning vehicle…”
Unknown OR Other · filed Sep 30, 2019
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Federal defect investigations
- Loss of power steering assist
Engineering Analysis EA11005 · opened May 4, 2011 · closed Jan 5, 2016 · led to recall 15V660000
- Loss of Power Steering Assist
Preliminary Evaluation PE10038 · opened Sep 24, 2010 · closed May 10, 2011
Technical service bulletins
42 manufacturer communications (TSBs, service campaigns, warranty extensions) are on file with NHTSA for the 2004 MINI Cooper. The 10 most recent:
Cavity protection applied to underside of the hood is leaking out onto the wheel arch trim and grille.
M511616 · Service Bulletin/Repair Instructions · issued Nov 2, 2023
MINI electrical systems have continued to develop over the past few years. As a result, the demand on the batteries has increased. Breakdowns due to an empty battery or problems in the vehicles electrical system can…
M610607 · Service Bulletin/Repair Instructions · issued Oct 25, 2023
W10 ENGINE: EMS2K - COMPREHENSIVE COMPONENT OBD READINESS MONITOR NOT COMPLETED: An affected vehicle fails to pass a state Inspection and Emission (I/M) test due to the ÒComprehensive ComponentÓ OBD readiness monitor…
M120817 · Service Bulletin/Repair Instructions · issued May 1, 2018
This Service Information bulletin supersedes SI 32 02 14 dated August 2014. SUBJECT Installation of Right-Hand Drive Steering Spindle in Left-Hand Drive Vehicle is No Longer Required. Left-hand drive steering spindles…
M320214 · Service Bulletin/Repair Instructions · issued Mar 1, 2016
Mini: faulty software for the tank ventilation control displays engine throttle reaction when temperature is high outside, and more obvious if the tank is only partly filled. *ma
12 09 15 · Service Bulletin/Repair Instructions · issued Jul 1, 2015
Mini: because of the dme software, and a damaged clutch, the drivetrain malfunction check message appear. *ma
12 06 15 · Service Bulletin/Repair Instructions · issued Jul 1, 2015
Mini: different faults activates engine malfunction and oil warning. *ma
11 06 15 · Service Bulletin/Repair Instructions · issued Jul 1, 2015
Mini: faulty software causes the check control and engine power reduced light to appear. *ma
12 07 15 · Service Bulletin/Repair Instructions · issued Jun 1, 2015
Mini: due to faulty dme software, the service engine lights comes on, including the check control message for motor force decrease. *ma
12 05 15 · Service Bulletin/Repair Instructions · issued Jun 1, 2015
Mini: a mechanical failure and dme software error of the vanos actuators cause the engine to run rough which activates the malfunction warning light. *ma
11 02 15 · Service Bulletin/Repair Instructions · issued Jun 1, 2015
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 MINI Cooper has 2 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 MINI Cooper?
- · 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 73,768 miles — budget accordingly if the car is approaching that mileage.