Reliable Auto DB

2020 BMW M8 reliability

Is it reliable?

Owners have filed 5 complaints with NHTSA about the 2020 BMW M8 over 7 years — 0 per year. That is the most complaints per year among the 5 M8 years on this site. NHTSA has 3 recalls on file, including Camera, Hydraulic brakes, and Automatic transmission.

2020 BMW M8
Photo by Kidfly182, resized from the original. Wikimedia Commons CC BY 4.0
Complaints

5

Per year

0

Recalls

3

Years on the road

7

What owners report

The complaints owners file most often name Speed control (2 of 5), then Electrical system (1) and Engine (1). Those filings include 1 that reports a crash and 1 that reports an injury.

Next to 2021

The 2021 M8 has 0 complaints, 0 per year. The 2020 has more complaints per year than the 2021.

The complaint rate is complaints filed in this year’s first 3 years on the road, divided by however many of those years have passed. Recalls are a separate count. The numbers are for the US-market 2020 BMW M8. How we count. Data as of .

Recalls (3)

Recall back-over prevention, sensing system, camera 2021-02-19 · NHTSA campaign 21V096000
Summary 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 Coupe, 840i, 840i xDrive, M850i xDrive, M8, 2020-2021 530e, 530e xDrive, 330e, 330e xDrive, 745Le, 745Le xDrive, X5 xDrive45e, X3 xDrive30e, X6 sDrive40i, X6 xDrive40i, X6 xDrive50i, X6 M50i, X6M, 530i, 530i xDrive, 540i, 540i xDrive, M550i xDrive, M5, 740i, 740Li, 740Li xDrive, M760i Drive, M760Li xDrive, 750Li xDrive Alpina, Alpina B7 xDrive, and 2021 4 Series Coupe 430i, 430i xDrive, M440i xDrive vehicles. When shifting into Reverse, a small portion of the rearview image may be obscured, or the screen may not illuminate. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 111, "Rear Visibility."
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.
Recall Hydraulic brakes 2021-02-10 · NHTSA campaign 21V062000
Summary 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 xDrive40i, X7 xDrive50i, X7 M50i, and 2021 M3, M3 Competition, M4 Coupe, M4 Competition Coupe, X5 xDrive45e, 745 Le xDrive. The rotor and shaft within the integrated brake system may not have been welded properly and could separate during a hard braking event, possibly resulting in a loss of the Antilock Brake System (ABS) and braking assistance.
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.
Recall powertrain, automatic transmission 2019-12-11 · NHTSA campaign 19V883000
Summary 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. The recall is expected to begin February 3, 2020. Owners may contact BMW customer service at 1-800-525-7417.

Complaints by component (5 total)

Speed control
2
Electrical system
1
Engine
1
Forward collision avoidance
1
Fuel and propulsion system
1
Powertrain
1
Service brakes
1
Visibility
1
Crash-flagged

1

Fire-flagged

0

Injury reports

1

Death reports

0

Complaints filed per year

120203202512026
Excerpts from recent NHTSA complaint filings
  • "On [XXX]. My car went into unintended acceleration at full throttle of 8000 RPMs. The engine was stuck at maximum power and would not slow down. My car slide until it hit a curb and was forced to stop. However, the…"
    Electrical system, Speed control, Engine · filed 2026-01-12
  • "Engine misfire and loss of power. Too to bmw for check up. It was coolant tank leak into injectors. BMW is not replacing the tank as part of recall. It is changing only injectors even though the recall specifically…"
    Fuel and propulsion system · filed 2025-12-30
  • "While driving, the vehicle immediately went into full unintended acceleration without any input from the accelerator pedal. I removed my foot completely from the pedal, but engine RPM increased to full 7000 rpm’s and…"
    Speed control, Service brakes, Forward collision avoidance · filed 2025-12-11
  • "Fuel pump failed within a minute of initial warning and performance indicating a problem. While driving ~60 mph on the highway, available power dropped to zero within a couple tenths of a mile, *barely* allowing me to…"
    Powertrain · filed 2025-07-14
  • "TL* THE CONTACT OWNS A 2020 BMW M8. THE CONTACT STATED THAT WHILE DRIVING IN THE RAIN AT 55 MPH, THE WINDSHIELD BECAME FOGGY. THE CONTACT ACTIVATED THE DEFROSTER/DEFOGGER HOWEVER, FAILED TO IMMEDIATELY CLEAR THE…"
    Visibility · filed 2020-09-15

NHTSA crash ratings

Version Overall Front Side Rollover
2020 BMW M8 2 DR AWD Not rated Not rated Not rated Not rated
2020 BMW M8 Convertible C AWD Not rated Not rated Not rated Not rated
2020 BMW M8 Gran 4 DR AWD Not rated Not rated Not rated Not rated

Stars are how this vehicle did in NHTSA crash tests. They are a safety result, separate from the complaint record. Not rated means that test was not run for this version.

Fuel economy

Trim Engine Transmission Drive City Hwy Combined Annual fuel cost
M8 Competition convertible 4.4L, 8-cyl Automatic (8-speed) All-wheel drive 15 21 17 MPG $4700
M8 Competition Coupe 4.4L, 8-cyl Automatic (8-speed) All-wheel drive 15 21 17 MPG $4700
M8 Competition Gran Coupe 4.4L, 8-cyl Automatic (8-speed) All-wheel drive 15 21 17 MPG $4700
M8 convertible 4.4L, 8-cyl Automatic (8-speed) All-wheel drive 15 21 17 MPG $4700
M8 Coupe 4.4L, 8-cyl Automatic (8-speed) All-wheel drive 15 21 17 MPG $4700
M8 Gran Coupe 4.4L, 8-cyl Automatic (8-speed) All-wheel drive 15 21 17 MPG $4700

Specs and fitment

F91/F92/F93 generation, 2020–2025
Body styles Coupe, Convertible, Gran Coupe
Oil 0W-30 , 10.6 qt capacity
Tire size 275/35R20, 285/35R20

Known issues for this generation

Recall 19V883000 covers certain 2020 M8 Gran Coupe, Coupe, and Convertible vehicles (with 2019-2020 M5; ~3,012 units total) where the transmission wiring harness can be damaged and short-circuit, shifting to neutral with loss of propulsion; dealers replace damaged harnesses and reroute and secure all harnesses. Recall 21V062000 covers certain 2020-2021 M8 models (with 8 Series 840i/M850i, 740Li/750Li/M760Li, and X5/X6 models; ~893 units) for an integrated brake system fault that can reduce ABS and brake assist; dealers replace the integrated brake system.

Compare

See every BMW M8 model year →

Frequently asked questions

Is the 2020 BMW M8 reliable?

Owners have filed 5 complaints with NHTSA about the 2020 BMW M8 over 7 years — 0 per year. That is the most complaints per year among the 5 M8 years on this site. NHTSA has 3 recalls on file, including Camera, Hydraulic brakes, and Automatic transmission.

What are common problems with a 2020 BMW M8?

The complaints owners file most often name Speed control (2 of 5), then Electrical system (1) and Engine (1). Those filings include 1 that reports a crash and 1 that reports an injury.

Is the 2020 BMW M8 more reliable than the years next to it?

The 2021 M8 has 0 complaints, 0 per year. The 2020 has more complaints per year than the 2021.

Has the 2020 BMW M8 been recalled?

The 2020 BMW M8 has 3 recalls on file with NHTSA. See the recalls table on this page for dates, components, and remedies.

How many complaints have owners filed about the 2020 BMW M8?

Owners have filed 5 complaints about the 2020 BMW M8 with NHTSA.

What mpg does a 2020 BMW M8 get?

EPA-rated combined fuel economy for the 2020 BMW M8 is 17 MPG. See the fuel economy table on this page for city and highway figures by engine and transmission.

What engine oil does a US BMW M8 use?

0W-30 With filter, about 10.6 qt is commonly listed for this generation—confirm in the owner manual.

What tire sizes fit a US BMW M8?

Published US specs commonly list front 275/35R20, 285/35R20 and rear 275/35R20, 285/35R20; confirm on the door jamb placard for your trim.

What NHTSA recalls affect the US BMW M8?

Recall 19V883000 covers certain 2020 M8 Gran Coupe, Coupe, and Convertible vehicles (with 2019-2020 M5; ~3,012 units total) where the transmission wiring harness can be damaged and short-circuit, shifting to neutral with loss of propulsion; dealers replace damaged harnesses and reroute and secure all harnesses. Recall 21V062000 covers certain 2020-2021 M8 models (with 8 Series 840i/M850i, 740Li/750Li/M760Li, and X5/X6 models; ~893 units) for an integrated brake system fault that can reduce ABS and brake assist; dealers replace the integrated brake system.