Most common 2020 BMW M8 problems
Share of the 4 complaints; one complaint can involve more than one system. "~" is the median mileage when the problem started.
BMW M8 complaints by model year
2020 BMW M8 recalls (3)
Back over prevention › Software
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 xDrive50i, X7 M50i, Alpina XB7, 330i, 330i xDrive, M340i, M340i xDrive, and 8 Series Coupe, Convertible and Grand…
Remedy: BMW will notify owners, and dealers will inspect the rearview camera software and update it if necessary, free of charge. The recall began April 16, 2021. Owners may contact BMW customer service at 1-800-525-7417.
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.
Electrical system › Wiring
BMW of North America, LLC (BMW) is recalling certain 2019-2020 M5 and 2020 M8 Gran Coupe, M8 Coupe, and M8 Convertible vehicles. The transmission wiring harness can become damaged, resulting in an electrical short circuit.
Remedy: BMW will notify owners, and dealers will replace any damaged transmission harnesses. All harnesses will be rerouted and secured. These repairs will be performed, free of charge.
2020 BMW M8 engines & fuel economy
| Engine | Transmission | Drive | MPG city / hwy / combined |
|---|---|---|---|
| 4.4L 8-cyl turbo | 8-speed automatic | AWD | 15 / 21 / 17 |
EPA ratings. Class: Subcompact car.
Frequently asked questions
Is the 2020 BMW M8 a good car?
That is a low number of complaints for a car on sale this long. So far owners have filed 4 complaints with NHTSA.
What is the most common problem with the 2020 BMW M8?
The speed control & acceleration — 2 complaints, 50% of all complaints for this model year. Next are the a/c & heater (1) and brakes (1).
How many recalls does the 2020 BMW M8 have?
There are 3 recalls for the 2020 BMW M8, the most recent from February 19, 2021 (software). Recall repairs are free at any authorized dealer — check whether yours has been done with the VIN recall check.
At what mileage do 2020 BMW M8 problems happen?
The median mileage reported in complaints is about 2,000 miles; 100% of problems with a recorded mileage started before 50,000 miles.
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.