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Mini Hatch III (F55/F56, 2014-2024) faults

4 faults documented by at least two sources, listed by version then by mileage at onset when known.

Buy with care
Reliability
3.5/5

4 known faults

Cooper 136

  1. Crankshaft guide bearing (early cars, 2014-2015)

    Severity 3/3 · Serious

    BMW issued service actions (not a formal recall) on premature wear of the upper crankshaft guide bearing: for the B38 three-cylinder, F55/F56 cars built from December 2014 to June 2015; for the B46/B48 four-cylinders, F55/F56 cars built from June 2014 to May 2015, with narrower production windows in later revisions of the bulletin. The symptoms cited are an engine warning light, a crankshaft sensor fault and noises from the bell housing area; the engine can be damaged. Check with a Mini dealer using the VIN.

    Versions
    Cooper 136, Cooper S 192
    Onset
    not documented
    Repair
    not documented

  2. Water in the wiring harness under the windscreen scuttle

    Severity 1/3 · Annoying

    On F56 cars from before about 2018, water can run behind the windscreen scuttle (or from the washer hose) and soak the wiring harness, causing apparently unrelated electrical faults (CAN bus errors, a pedestrian protection system fault or headlight levelling fault). Owners describe an expensive repair that is sometimes not covered by the warranty; these reports come from forums. Check that the scuttle drains are not blocked.

    Versions
    Cooper 136, Cooper D 116, Cooper S 192
    Onset
    not documented
    Repair
    not documented

  3. Coolant leak at the oil filter housing (B38/B48)

    Severity 1/3 · Annoying

    The plastic oil filter housing can warp or crack and leak. MINI issued technical bulletins on a coolant leak at this point on early F56 cars (built from November 2013 to March 2014), which can cause overheating, loss of power and an engine warning light; the part needs replacing. The Go-Parts guide cites the same weak point on B48 engines.

    Versions
    Cooper 136, Cooper S 192
    Onset
    not documented
    Repair
    not documented

Cooper D 116

  1. Water in the wiring harness under the windscreen scuttle

    Severity 1/3 · Annoying

    On F56 cars from before about 2018, water can run behind the windscreen scuttle (or from the washer hose) and soak the wiring harness, causing apparently unrelated electrical faults (CAN bus errors, a pedestrian protection system fault or headlight levelling fault). Owners describe an expensive repair that is sometimes not covered by the warranty; these reports come from forums. Check that the scuttle drains are not blocked.

    Versions
    Cooper 136, Cooper D 116, Cooper S 192
    Onset
    not documented
    Repair
    not documented

Cooper S 192

  1. Crankshaft guide bearing (early cars, 2014-2015)

    Severity 3/3 · Serious

    BMW issued service actions (not a formal recall) on premature wear of the upper crankshaft guide bearing: for the B38 three-cylinder, F55/F56 cars built from December 2014 to June 2015; for the B46/B48 four-cylinders, F55/F56 cars built from June 2014 to May 2015, with narrower production windows in later revisions of the bulletin. The symptoms cited are an engine warning light, a crankshaft sensor fault and noises from the bell housing area; the engine can be damaged. Check with a Mini dealer using the VIN.

    Versions
    Cooper 136, Cooper S 192
    Onset
    not documented
    Repair
    not documented

  2. Water in the wiring harness under the windscreen scuttle

    Severity 1/3 · Annoying

    On F56 cars from before about 2018, water can run behind the windscreen scuttle (or from the washer hose) and soak the wiring harness, causing apparently unrelated electrical faults (CAN bus errors, a pedestrian protection system fault or headlight levelling fault). Owners describe an expensive repair that is sometimes not covered by the warranty; these reports come from forums. Check that the scuttle drains are not blocked.

    Versions
    Cooper 136, Cooper D 116, Cooper S 192
    Onset
    not documented
    Repair
    not documented

  3. Coolant leak at the oil filter housing (B38/B48)

    Severity 1/3 · Annoying

    The plastic oil filter housing can warp or crack and leak. MINI issued technical bulletins on a coolant leak at this point on early F56 cars (built from November 2013 to March 2014), which can cause overheating, loss of power and an engine warning light; the part needs replacing. The Go-Parts guide cites the same weak point on B48 engines.

    Versions
    Cooper 136, Cooper S 192
    Onset
    not documented
    Repair
    not documented

Cooper SE 184

  1. Recall: unsealed high-voltage battery casing (Cooper SE)

    Manufacturer recall

    A recall affects the Cooper SE: the high-voltage battery casing may not be watertight. Water can trigger an insulation warning, a cut-out of the drivetrain even while driving, or even a short circuit that could cause a fire. The first phase in France covered 213 vehicles built from June 2020 to November 2023; L'argus states that the campaign was later extended. Mini inspects the battery and replaces it if necessary.

    Fixed free of charge by a dealer and not counted in the reliability score: ask for proof the work was done (invoice, or a VIN check at a dealer).

    Versions
    Cooper SE 184
    Onset
    not documented
    Repair
    not documented

Price and diagnose repairs

Read fault codes

An OBD scanner plugged in under the steering wheel shows stored fault codes, even with warning lights off: useful during the test drive.

Parts and maintenance

Compare prices of parts for the Mini Hatch III (F55/F56, 2014-2024) (timing, brakes, filters) to estimate the repairs to plan for.

← Back to the Mini Hatch III (F55/F56, 2014-2024) guide