There are 4 owner-reported fuel system complaints for the 2003 MINI Cooperin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
TL* THE CONTACT OWNS A 2003 MINI COOPER S. THE CONTACT NOTICED FUEL LEAKING UNDERNEATH THE VEHICLE. THE CONTACT CHECKED UNDER THE HOOD AND DISCOVERED THAT THE FUEL FILTER HAD A LEAK. THE VEHICLE WAS TOWED TO THE CONTACT'S RESIDENCE. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED. THE VIN WAS NOT PROVIDED. THE FAILURE MILEAGE WAS APPROXIMATELY 130,000.
TL* THE CONTACT OWNS A 2003 MINI COOPER. THE CONTACT STATED THAT THE FUEL CAP WOULD NOT PROPERLY SEAL AND WAS CAUSING THE CHECK ENGINE WARNING LIGHT TO ILLUMINATE. THE VEHICLE WAS INSPECTED BY THE DEALER AND THEY ADVISED HER THAT THE FUEL CAP, FUEL TANK NOZZLE, HOSE AND CONNECTOR WOULD NEED REPLACING. THE VEHICLE WAS REPAIRED. THE MANUFACTURER WAS CONTACTED AND THEY OFFERED NO ASSISTANCE. THE FAILURE MILEAGE WAS APPROXIMATELY 270,000. THE VIN WAS UNAVAILABLE. UPDATED 08/08/11*LJ UPDATED 3/02/2012 *LN
DRIVING HOME THE CAR STALLED AND CAUGHT FIRE. *BF MINI USA EXPERTS WERE UNABLE TO DIAGNOSE THE ROOT OF THE FIRE. *SC THE CONSUMER SPOKE TO 2 OTHER DIFFERENT CAR EXPERTS WHO WERE POSITIVE THAT THE PROBLEM WAS A DEFECTIVE FUEL LINE THAT CONTINUED TO PUMP FUEL ALL OVER THE ENGINE PARTS. *JB
RE; FIRE IN MINI COOPER. *BF THE CONSUMER STATED THAT THE FIRE IMMEDIATELY BURNED THROUGH THE INSIDE OF THE NEW VEHICLE AND ENGULFED THE ENTIRE VEHICLE WITH FLAMES. EXPERTS TELL THE CONSUMER THAT THE FIRE IS A RESULT OF A DEFECTIVE FUEL LINE THAT CONTINUED TO PUMP FUEL ALL OVER THE CAR AND ENGINE PARTS. *TC
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.
Data synced from NHTSA on Apr 25, 2026