KNOWN FAULTS · MINI
Known faults for the MINI MINI (R50/R52/R53).
2001–2006 · Petrol / Diesel
Sources are not verified in real time and no entry confirms that your car is affected.
Buying it used?Which engine has the fewest documented faults, which recalls to ask the seller about and what to look for on the test drive.Before you buy
2 known faults with sources
Engines: One / Cooper 1.6 (Petrol) · Cooper S 1.6 (R53) (Petrol) · One D 1.4 (Toyota) (Diesel)
Applies if: Weak points of this model from inspections, breakdown statistics and recalls; anything specific to one engine is stated in the sheet.
Midland gearbox, Tritec engine and coolant leaks on the first MINIKnown weak points
- Engine / equipment
- MINI R50, R52 (convertible) and R53 (Cooper S), 2001–2006
- Period mentioned
- 2001–2006
- Symptoms
- Midland manual gearbox with stiff shifts, wearing clutch and gearbox failures (grinding noise); cracked exhaust manifold and failing chain tensioner on the 1.6 Tritec; an ECU causing rough idle or stalling (up to 2003); water pump and supercharger on the Cooper S; engine mounts lasting 2–3 years; power-steering pump; thermostat housing and expansion tank leaking coolant; rust on the tailgate, window regulators and water inside.
- Possible cause described
- The German guide recommends cars after the 2004 facelift, which have the more reliable Getrag gearbox. At inspection, steering play, braking and oil leaks stand out; the ADAC cites battery terminals, fuel pump, clutch and power steering. Recalls: gear-cable clip (May 2001–May 2002), static electricity when refuelling (2001) and roof-rack mounts (August–November 2006).
- Check for the garage
- On the test drive, engage every gear and listen to the gearbox; check the coolant level and the cabin floor; check campaigns by VIN.
- Cost cited in the source
- No verified estimate; ask the garage for a quote.A rough figure from the original database, not an up-to-date quote.
Sources from the original database
View full entryEngines: One D 1.4 (Toyota) (Diesel)
Applies if: Only One D R50 with air conditioning, within 2002–2006. HELLA explicitly includes all models with A/C; check for water and the installation before diagnosing.
Brake lights staying on from water in wiringElectrical / air conditioning
- Engine / equipment
- R50/R52/R53 with air conditioning.
- Period mentioned
- 2002–2006; with A/C.
- Symptoms
- Brake lights remain on.
- Possible cause described
- Blocked or pinched drain; water in connector.
- Check for the garage
- Check drains, harness routing and connector corrosion.
- Cost cited in the source
- No verified estimate.A rough figure from the original database, not an up-to-date quote.
Sources from the original database
View full entryEngines for this model
- One / Cooper 1.6Petrol
- Cooper S 1.6 (R53)Petrol
- One D 1.4 (Toyota)Diesel