Rear Sub-frame Bolt Loosening

Rear sub-frame bolts can loosen due to improper reuse during prior servicing, compromising structural integrity. This was addressed by a recall. Estimated repair cost: $500 - $1,200.

With 84 Technical Service Bulletins (TSBs) issued, the M3 can exhibit numerous minor issues affecting electronics, cooling, or exhaust systems. These are typically not safety-critical but impact owner satisfaction. Estimated repair cost: Varies widely.

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2017 BMW M3 Maintenance guide

Name: Maintenance dataset for 2017 BMW M3
Creator: Carfocal

v1.0Updated Jul 4, 2026Ryan Davis4 Sources Analyzed

MAINTENANCE SUMMARY

The 2017 BMW M3 requires diligent maintenance, with a notable concern around the driveshaft's potential for flange connection failure, which can lead to propulsion loss. Regular inspections and adherence to service intervals are crucial, especially given the high TSB count of 84, suggesting numerous minor issues that impact overall reliability.

View Critical Issue: Driveshaft Flange Failure

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Reliability Score

Est. Annual Maintenance Cost

$700 - $1,200

TSBs & Recalls

84 TSBs | 2 Recalls

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Key Takeaways

The 2017 BMW M3 has an 'Average' reliability verdict, influenced by two critical recalls and a high TSB count.
A primary concern is potential driveshaft flange failure, leading to propulsion loss, necessitating verification of recall completion.

2 more takeaways unlock below

Critical service intervals

Common failure analysis

Symptoms and prevention guidance