There are 7 stored owner reports matching the engine leading-label group for the 2004 MINI Cooper in our NHTSA-sourced dataset. These are unverified consumer reports and may not reflect confirmed defects.
This group counts stored reports whose component label starts with one of this site's matching prefixes, ignoring case. Each matching report counts once within the group. Components mentioned later in the label or only in the narrative are not searched. How component counts work
Loaded 7 of 7 matching reports.
Open the full vehicle complaint log (all categories)THE ENGINE STARTING CUTTING OUT AND RABBITING AND FINALLY DIED AND COASTED INTO PARKING LOT AND COULD NOT GET IT STARTED. TOOK TO BARON BMW AND THEY SAID THE ENGINE WAS TOASTED BECAUSE OF LOW OIL PRESSURE FROM A HABITUAL PROBLEM WITH THEIR OIL FILTER HOUSING THAT THEY NEVER RECALLED BECAUSE THEY DIDN'T THINK IT WAS A SAFETY ISSUE WHEN THE CAR CUTS OUT AND RABBITS ON ACCELERATION ONTO THE HIGHWAY AND EVERYTIME YOU TAKE OFF FROM A START. *TR
COOLING FAN STOPPED WORKING ALREADY INSTALLED 3 FANS FROM TIME OF PURCHASE OF VEHICLE THIS WILL BE MY FOURTH ONE ITS HAS ISSUE WITH LOW SPEED. IT BURNS ONLY LOW SPEED ON IT TRIED TO INSTALL AFTERMARKET FAN DID NOT LAST MORE THAN A MONTH HAD TO PURCHASE FROM A DEALER NOW ANOTHER ONE THIS CAN HAS NOTHING BUT A PROBLEM WITH THIS ISSUE. *TR
SUPERCHARGER FAILED AT 60,950 MILES, RESULTING IN COMPLETE REBUILD OF UNIT. FAULTY GEAR AND LUBRICATION DESIGN. *TR
TL*THE CONTACT OWNS A 2004 MINI COOPER. WHILE THE DRIVER WAS PLACING ITEMS IN THE REAR OF THE VEHICLE, HIS CALF WAS BURNED BY THE EXTENDED TAIL PIPE. THE DRIVER HAS INCURRED MULTIPLE BURNS TO HIS CALF DUE TO THE EXTENDED TAIL PIPE. THE VEHICLE WAS TAKEN TO THE DEALER AND THEY STATED THAT THEY COULD NOT ASSIST BECAUSE THERE WERE NO RECALLS FOR THIS FAILURE. THE MANUFACTURER WOULD NOT PROVIDE COMPENSATION BECAUSE THE VEHICLE WAS NOT INCLUDED IN A RECALL. THE VIN WAS UNAVAILABLE. THE FAILURE MILEAGE WAS 6,000 AND CURRENT MILEAGE WAS 9,000.
2004 MINI COOPER WITH MOTOR MOUNT, ELECTRICAL, FLAT TIRE SENSORS ISSUES. CVT TRANSMISSION REPLACEMENT RECOMMENDED. *TGW ONE DAY WHILE DRIVING ON THE HIGHWAY, THE VEHICLE JUST STOPPED; DEAD NO POWER. THE CONSUMER STATED THE VEHICLE IS SITTING IN THE GARAGE UN-DRIVABLE BECAUSE SHE DOESN'T HAVE THE $8,000 TO REPLACE THE CVT TRANSMISSION. *JB
VENT FAN IN MOTOR COMPARTMENT SPONTANEOUSLY CAUGHT FIRE CAUSING DAMAGE TO VARIOUS ELECTRICAL COMPONENTS AND SMOKE DAMAGE. *TR
TL*THE CONTACT OWNS A 2004 MINI COOPER. THE VEHICLE WOULD NOT ACCELERATE OVER 25 MPH AND WOULD NOT SHIFT INTO FIRST GEAR. THE CONTACT WAS ABLE TO DRIVE THE VEHICLE HOME AND THE WARNING LIGHT ILLUMINATED AFTER IT WAS PARKED. THE CONTACT DISCOVERED THAT ALL OF THE TRANSMISSION FLUID LEAKED OVER THE ENGINE. THE VEHICLE WILL BE TOWED TO THE DEALER. THE CURRENT AND FAILURE MILEAGES WERE 78,402.
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
NHTSA source checks for this vehicle year
Checks are recorded separately for each dataset, not for the whole page. Dates use UTC. A missing check date does not mean no records exist.
Vehicle import recorded: Apr 28, 2026. This is the stored import date, not confirmation that every source was successfully refreshed.