2021 MINI Convertible (F57)
Browse our directory of 2021 MINI Convertible (F57) vehicles. Access instant MOT history reports, tax status, and reliability insights for any registration listed below.
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Common Problems & Reliability
The 2021 MINI Convertible (F57) has 4 known issues. 1 of these are classified as serious faults that could be expensive to repair. 3 are moderate concerns worth inspecting before purchase.
BDC (Body Domain Controller) Water Damage
SeriousWater ingress from blocked drains or A-pillar seals can damage the BDC module, leading to total electrical failure.
Symptoms: Interior electronics failing, Lights flickering...
Est. repair cost: £500–£1,500
Upper Engine Mount Failure
ModerateThe same hydraulic upper mount issue seen on the F56 hatch creates extra vibration and drivetrain movement.
Symptoms: Idle vibration, Knock when moving off...
Est. repair cost: £250–£450
Roof Position Sensor / Drain Issues
ModerateThe electric soft top is reliable overall, but blocked drains or failing position sensors can interrupt operation and lead to damp trim.
Symptoms: Roof stops mid-cycle, Roof warning light...
Est. repair cost: £150–£700
Front Suspension Bush Wear
ModerateHeavy wheels and UK potholes wear front bushes and drop links, causing the familiar MINI knock from the front axle.
Symptoms: Knocking at low speed, Tyre shoulder wear...
Est. repair cost: £200–£400
Buying Tips for the 2021 MINI Convertible (F57)
- ✓Roof operation should be quick, quiet, and free of warning lights
- ✓Check the upper engine mount and front suspension wear just as carefully as on the hatch
- ✓Inspect the rear quarter trims and boot side panels for dampness
- ✓A lightly used Convertible needs battery health checked because low voltage creates roof and infotainment faults
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