2021 Bmw M3 Recalls & Known Issues
Check recalls and known issues for the 2021 Bmw M3. Safety information and reliability rating.
Reliability Overview
averageThe 2021 BMW M3 has three NHTSA recalls primarily affecting seat belts and one air bag recall, with several known issues including brake system separation and overheating risks. While performance is strong, reliability is average due to these safety concerns and reported mechanical problems.
Open Recalls (3)
Seat Belts
The bolt securing the seat belt assembly to the frame was not tightened to specification, which may prevent proper restraint of an occupant.
Campaign: 21V123 | Reported: 2021-02-01
Seat Belts
The passenger seat belt Automatic Locking Retractor (ALR) may deactivate early, before the webbing fully retracts, failing compliance with Federal Motor Vehicle Safety Standard 208.
Campaign: 21V345 | Reported: 2021-09-03
Air Bags
The head air bag inflator may fail at the weld joint, causing gas leakage or inflator rupture that could release sharp metal fragments.
Campaign: 24V123 | Reported: 2024-11-04
Known Issues
Integrated brake system rotor/shaft separation
Typical mileage: 10,000-30,000
$1,500 - $3,500
Transmission hesitation during cold starts
Typical mileage: 5,000-20,000
$300 - $1,200
Mismatched ECU programming affecting door locking
Typical mileage: 15,000-40,000
$500 - $1,500
PCV valve heater overheating due to electrical short
Typical mileage: 20,000-50,000
$800 - $2,500
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