This page covers 2 recalls and EPA fuel economy for the 2021 BMW M4.
19 mpg combined
12.4 L/100km
Subcompact Cars
Fuel economy data from fueleconomy.gov (EPA / U.S. Dept. of Energy). Annual cost based on 15,000 mi/yr at 55% city driving and current fuel prices. MPG is U.S. gallons; L/100km converted.
The 2021 BMW M4 has two recalls, the more serious being a brake system defect that can disable anti-lock brakes and reduce braking assistance, raising the risk of a crash.
The second recall involves the seatbelt retractors, which can fail to function properly in a crash and increase the risk of injury to the occupant.
At a glance
What can fail
The passenger seat belt retractor may unlock too early before the belt fully retracts, reducing crash protection.
What the fix does
Dealers will inspect and replace the seat belt retractors if needed, at no cost.
Summarized — see the official notice for exact wording, dates, and contacts.
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At a glance
What can fail
The rotor and shaft inside the brake system may not be properly welded and could separate during hard braking, causing loss of ABS and braking assistance.
What the fix does
Dealers will replace the integrated brake system at no cost to you.
Summarized — see the official notice for exact wording, dates, and contacts.
