2021 BMW M4: common problems and reliability

The 2021 BMW M4 has 4 owner-filed NHTSA complaints and 6 recalls on record. The most-reported areas are service brakes and engine. Owners most often flag high cost of ownership — very frequent warnings about expensive routine maintenance (tires, brakes) and major repairs (turbos) on used, high-mileage examples. budgeting thousands annually is emphasized. frequency: very frequent.

Safety record for the 2021 model year

4
Owner complaints
6
Recalls
1
Crash reports
1
Fire reports

Source: NHTSA complaints and recalls filed for 2021 BMW M4 vehicles (US, public record).

Where owners report problems

service brakes
2
engine
1

Recalls affecting the 2021 M4

seat belts

Campaign 21V554000

BMW of North America, LLC (BMW) is recalling certain 2021 2 Series (230i, 230i xDrive, M240i, M240i xDrive), 330e, 330e Xdrive, 4 Series Coupe (430i, 430i xDrive, M440i xDrive) M4 Coupe, M4 Competition Coupe, BMW 4 Serie…

service brakes, hydraulic

Campaign 21V062000

BMW of North America, LLC (BMW) is recalling certain 2020-2021 8 Series Coupe, Grand Coupe and convertible 840i, 840i xDrive, M850i xDrive, M8 and 740 Li, 740 Li xDrive, 750 Li xDrive, M760 Li xDrive, X6 sDrive40i, X6 xD…

electrical system:12v/24v/48v battery

Campaign 20V761000

BMW of North America, LLC (BMW) is recalling certain 2021 M340i xDrive, M440i xDrive Coupe, 530i, 530i xDrive, 540i, 540i xDrive, 740Li, 740Li xDrive, 840i Gran Coupe, 840i xDrive Gran Coupe, X5 sDrive40i, X5 xDrive40i, …

back over prevention: sensing system: camera

Campaign 21V096000

BMW of North America, LLC (BMW) is recalling certain 2019-2021 X3 sDrive30i, X3 xDrive30i, X3 M40i, X3M, X4 xDrive30i, X4 M40i, M550i, X4M, X5 sDrive40i, X5 xDrive40i, X5 xDrive50i, X5M, X5 M50i, X7 xDrive40i, X7 xDrive5…

What owners say across generations

Extremely positive sentiment among owners, characterized by high satisfaction with performance, daily drivability, and emotional fulfillment. The M4 is consistently described as a "dream car" that delivers a thrilling, occasion-like driving experience. Owners

  • High Cost of Ownership — Very frequent warnings about expensive routine maintenance (tires, brakes) and major repairs (turbos) on used, high-mileage examples. Budgeting thousands annually is emphasized. Frequency: very frequent.
  • Carbon Bucket Seat Drawbacks — Recurrent mentions of being a "pain to live with," including difficulty entering/exiting, wear on bolsters, and compromised comfort for some passengers on long trips. Frequency: recurrent.
  • Risk of Purchasing Modified Used Vehicles — Recurrent strong advice against buying modified M4s due to unknown build quality, potential hidden damage from aggressive tuning, and the likelihood that the car was driven hard. Frequency: recurrent.
  • Throttle Response in Efficient Mode — Isolated complaint that throttle response in the G82's most efficient driving mode is too sluggish. Frequency: isolated.
  • Extended Warm-Up Time — Isolated mention that the advanced cooling system on the G82 requires 10-15 minutes to reach optimal operating temperature. Frequency: isolated.

Owner insights cover all generations of the M4.

Typical used price

Used M4 listings typically run $71,964–$107,244 across 2015 to 2027 model years.

Other M4 model years

2020 M42017 M42016 M4
Full BMW M4 owner reportCompare against another car