Most common 2021 BMW M4 problems
Share of the 1 complaints; one complaint can involve more than one system. "~" is the median mileage when the problem started.
BMW M4 complaints by model year
Best M4 years: 2014, 2017, 2020. Years to avoid: 2016. Compare all years →
2021 BMW M4 recalls (2)
Seat belts
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 Series Convertible (430i, M440i), BMW X1 sDrive28i, xDrive28i, 2 Series Gran Coupe (228i, 228i xDrive, M235i…
Remedy: Dealers will inspect the seat belt retractors (including the seat belts) and, if necessary, replace the retractors, free of charge. Owner notification letters were mailed on September 3, 2021.
Service brakes, hydraulic › Power assist › Hydraulic
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 xDrive40i, X6 xdrive50i, X6 M50i, X6M, and 2019-2021 X5 sDrive40i, X5 xDrive40i, X5 xDrive50i, X5 M50i, X5M, X7…
Remedy: BMW will notify owners, and dealers will replace the integrated brake system, free of charge. Owner notification letters were mailed on May 25, 2021. Owners may contact BMW customer service at 1-800-525-7417.
2021 BMW M4 engines & fuel economy
| Engine | Transmission | Drive | MPG city / hwy / combined |
|---|---|---|---|
| 3.0L 6-cyl turbo | 6-speed manual | RWD | 16 / 23 / 19 |
| 3.0L 6-cyl turbo | 8-speed automatic | RWD | 16 / 23 / 19 |
EPA ratings. Class: Subcompact car.
Frequently asked questions
Is the 2021 BMW M4 a good car?
Based on 1 owner complaint filed with NHTSA, the 2021 M4 rates few complaints: 14% fewer complaints than a typical year of the M4 at the same age. Complaint counts don't account for sales volume or individual maintenance, so have any used car inspected before buying.
What is the most common problem with the 2021 BMW M4?
The brakes — 1 complaint, 100% of all complaints for this model year.
How many recalls does the 2021 BMW M4 have?
There are 2 recalls for the 2021 BMW M4, the most recent from July 21, 2021 (seat belts). Recall repairs are free at any authorized dealer — check whether yours has been done with the VIN recall check.
What are the best and worst years of the BMW M4?
The best years by complaints, compared at the same age, are 2014, 2017 and 2020. Years to avoid or approach with caution: 2016. See the full BMW M4 years comparison.
Source: U.S. National Highway Traffic Safety Administration (NHTSA) — owner complaints through October 20, 2026, recalls and defect investigations; fuel economy from the EPA. Complaints are unverified reports and are not proof of a defect. How we rate model years.