2021 BMW 8 Series Problems: 3 Known Issues
2021 model year · 140+ owner reports · Updated November 2026
According to Au7o's analysis of 140+ owner reports, the 2021 BMW 8 Series has 3 documented known issues, with 1 rated critical. The most serious is 2020-2021 8 Series Integrated Brake Recall 21V-062. The most commonly reported issue is N63 V8 Oil Consumption in M850i with 140 owner reports. Across all issues with published estimates, repair costs range from $150 to $5,000. DIY maintenance guides at au7o.io.
2021 · All trims · All engines
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All 3 Known Issues
NHTSA Recalls1 recall
POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)
BMW of North America, LLC (BMW) is recalling certain 2023 Toyota GR Supra, 3 Series Sedan (330i xDrive, M340i xDrive, M3), 5 Series Sedan (530i, 530i xDrive, M5), 4 Series Gran Coupe (430i, 430i xDrive), 4 Series Coupe (430i, 430i xDrive, M440i xDrive), 4 Series Convertible (430i, 430i xDrive, M440i xDrive), 8 Series Coupe (840i, M850i xDrive, M8), 8 Series Convertible (840i, M850i xDrive, M8), 8 Series Gran Coupe (850i xDrive, M8), X3 SAV (X3 xDrive30i, X3M), X4 SAV (X4 xDrive30i), X5 SAV (X5 xDrive40i, X5 M50i, X5M), X6 SAV (X6 xDrive40i, X6 M50i, X6M), and Z4 sDrive30i, Z4 M40i vehicles. The weld seam of the integrated transmission control unit's cover may not have been manufactured properly, which could allow automatic transmission oil to leak into the transmission control unit.
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Frequently Asked Questions
What are the most common BMW 8 Series problems?
According to Au7o's analysis of 140+ owner reports, the 2021 BMW 8 Series has 3 documented issues. The most frequently reported are: 2020-2021 8 Series Integrated Brake Recall 21V-062, N63 V8 Oil Consumption in M850i, Premature Rear Tire Wear (8 Series & M8). Of these, 1 is rated critical and should be addressed promptly.
Is the BMW 8 Series reliable?
The 2021 BMW 8 Series has 3 known issues documented across 140+ owner reports. 1 issue is rated critical: 2020-2021 8 Series Integrated Brake Recall 21V-062. Prospective buyers should inspect for these issues and factor potential repair costs into their purchase decision. Regular maintenance following the manufacturer's schedule helps prevent many common problems.
How much does it cost to fix common BMW 8 Series problems?
Repair costs for known BMW 8 Series issues range from $150 to $5,000, depending on the specific problem and whether you choose DIY or professional repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.
What is the 2020-2021 BMW 8 Series 2020-2021 8 Series Integrated Brake Recall 21V-062?
BMW/NHTSA recall 21V-062 covers certain model-year 2020-2021 8 Series vehicles, including M variants, produced within the recall population window. The integrated brake system rotor and shaft may not have been welded to specification; during hard braking this can reduce braking a… Severity: high.
What is the 2019-2025 BMW 8 Series N63 V8 Oil Consumption in M850i?
The M850i equipped with the N63B44T3 twin-turbo V8 carries forward the oil consumption tendencies of the N63 engine family, though this revision is improved over earlier versions. Oil consumption of 1 quart per 3,000-5,000 miles is still common and considered within BMW's specifi… Repairs typically run $500-$5,000. Severity: medium.
What is the 2019-2024 BMW 8 Series Premature Rear Tire Wear (8 Series & M8)?
All 8 Series and M8 models experience premature tire wear, particularly on the rear tires, due to aggressive factory alignment settings. The rear suspension uses approximately -2.0 degrees of negative camber from the factory, which causes rapid inner edge tire wear. Rear tires co… Repairs typically run $150-$2,400. Severity: low.
Content on this page was compiled with AI assistance using NHTSA complaints, TSBs, owner reports, and public automotive data. While we strive for accuracy, this information may contain errors. Always verify repair procedures and specifications with your vehicle's service manual or a qualified mechanic.