NHTSA lists 2 safety recalls and 529 owner complaints for the 2004 MINI Cooper S. Most complaints involve steering (448) and electrical system (34). The EPA rates it 25 mpg combined.
BMW of North America, LLC (BMW) is recalling certain model year 2002-2005 MINI Cooper and Cooper S vehicles and 2005 Cooper and Cooper S Convertible vehicles. The affected vehicles may experience temporary or permanent loss of the electro-hydraulic steering assistance.
ON CERTAIN PASSENGER VEHICLES, THE FLAT TIRE MONITORING SYSTEM HAS NOT BEEN CORRECTLY PROGRAMMED. IN THE EVENT OF A FLAT TIRE, AN AUDIBLE SIGNAL WILL NOT SOUND TO ALERT THE DRIVER TO A FLAT TIRE.
Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.
“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 reasonable amount of time for the recall repair. The manufacturer was made aware of the issue. The contact had experienced the failure, causing the driver to lose control of the steering and drive off the road. The exact cause of the failure was not determined, and the vehicle was not repaired. The manufacturer and local dealer were notified of the failure. The failure mileage was 160.000. Parts distribution disconnect.”
“TL* THE CONTACT OWNS A 2004 MINI COOPER. THE CONTACT STATED THAT THE VEHICLE'S BATTERY WAS LOCATED IN FRONT OF THE FIREWALL ABOVE THE GEAR BOX. THE BATTERY ACID LEAKED ONTO TWO SHIFTER CABLE LINKAGES, WHICH CAUSED THEM TO MELT UNEXPECTEDLY. THE VEHICLE WOULD NOT SHIFT GEARS. THE CONTACT ALSO STATED THAT THE SAME FAILURE OCCURRED ONE OTHER TIME. THE VEHICLE WAS REPAIRED SIX MONTHS AGO BECAUSE OF THE SAME FAILURE. THE MANUFACTURER WAS NOTIFIED. THE VEHICLE WAS NOT REPAIRED AGAIN. THE APPROXIMATE FAILURE MILEAGE WAS 130,000.”
“2004 MINI COOPER PURCHASED NEW APROX 62 MILES ON IT AND THE CVT TRANSMISSION IS GONE & THERE WAS A CLASS ACTION LAWSUIT FOR THE REPLACEMENT OF THIS, I WAS NEVER NOTIFIED AND WANT THIS FIXED AT NO COST TO ME. AT APROX. 50 TO 60 MPH THE CAR ENGINES GOES WAY BEYOND THE PROPER RPM.”
Towing, payload and dimensions aren’t in the EPA or NHTSA data, so we don’t list them.
| Version | City | Hwy | Comb. | Fuel / yr | CO₂ g/mi |
|---|---|---|---|---|---|
| Cooper S Man 6-spd, 4 cyl, 1.6 L, Sup Charg · Front-Wheel Drive | 22 | 31 | 25 | $3,200 | 355 |
| Item | Miles | Time | Note |
|---|---|---|---|
| Engine oil & filter | 5,000–10,000 mi | 6–12 months | Follow the oil-life monitor if fitted |
| Tire rotation | 5,000–7,500 mi | Every oil change | Check pressure monthly |
| Engine air filter | 15,000–30,000 mi | 1–2 years | Sooner in dusty areas |
| Cabin air filter | 15,000–25,000 mi | 1–2 years | |
| Brake fluid | — | 2–3 years | Absorbs moisture over time |
| Coolant | 60,000–100,000 mi | 5–10 years | Long-life coolants last longer |
| Spark plugs | 60,000–100,000 mi | — | Iridium/platinum plugs at the long end |
| 12V battery | — | 3–5 years | Heat shortens battery life |
2 safety recalls as of Oct 28, 2026, according to NHTSA. Recall repairs are free at a dealer. Check your VIN to see whether your car is included and whether the repair was done.
Owners filed 529 complaints with NHTSA. The most-cited components are steering (448), electrical system (34), power train (28). Complaints are unverified owner reports and aren't adjusted for how many cars were sold.
The EPA rates the 2004 MINI Cooper S at 25 mpg combined, depending on engine and drivetrain (1 version rated).