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Fuel systemPart report

2003 MINI Cooper Fuel system Problems

Complaints
3about this part
Share
1%of 320 total for the year
Median mileage
270,000miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 3 complaints about the fuel system of the 2003 MINI Cooper, 1% of the 320 complaints for this model year. Where a mileage was given, the median is 270,000 miles. 1 a fire, according to the filers.

Fewer than 15 complaints name this part, so treat the figures as a rough indication only.

Example complaints

Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.

“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 updated 3/02/2012”

NHTSA complaint #10407748, filed 2011-06, 270,000 miles

Related service bulletins

Fuel system: other model years

YearComplaintsShare of year
2021114%
2020114%
201727%
201614%
20151120%
201426%
2013511%
201246%
201178%
201022%
200964%
200833%
200765%
200510%
200421%
200331%
200211%

Other parts of the 2003 MINI Cooper

Steering
159 complaints
Transmission and drivetrain
89 complaints
Electrical system
26 complaints
Visibility (wipers, defrost, mirrors)
25 complaints
Engine cooling
22 complaints
Air bags
10 complaints
Engine
7 complaints
Equipment
7 complaints
Suspension
6 complaints
Brakes
4 complaints
Other or unknown
4 complaints
Seats
4 complaints

← All problems reported for the 2003 MINI Cooper

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 28, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology