2020 BMW M5 Maintenance guide
v1.0Updated Ryan Davis4 Sources Analyzed
The 2020 BMW M5, with a combined MPG of 17, presents a 'Good' reliability verdict. The primary mechanical concern centers on the transmission wiring harness, which has a history of defects leading to potential electrical shorts and unpredictable transmission behavior.
Reliability Score
Est. Annual Maintenance Cost
$1,000 - $1,500
TSBs & Recalls
1 TSBs | 4 Recalls
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Key Takeaways
- The 2020 BMW M5 has a 'Good' reliability verdict.
- A significant recall concerns the transmission wiring harness, a critical component.
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Critical service intervals
Common failure analysis
Symptoms and prevention guidance
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MethodologyHow we score →
Scores are derived from NHTSA recalls and owner complaints, normalized by vehicle segment averages.
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