Audio Module Software Glitch (Seat Belt Warnings)

A software defect in the audio module can prevent audible seat belt warnings from activating, impacting driver awareness of safety requirements. Estimated repair cost: $150 - $300.

Sunroof/Power Window Software Anomaly

A software issue could cause the automatic sunroof closure to override key status changes, potentially leading to unexpected operation. Estimated repair cost: $150 - $300.

CARFOCALvehicle research

2021 BMW 228i Maintenance guide

Name: Maintenance dataset for 2021 BMW 228i
Creator: Carfocal

v1.0Updated Jun 4, 2026Ethan Miller4 Sources Analyzed

MAINTENANCE SUMMARY

The 2021 BMW 228i, with an average reliability verdict, requires diligent attention to its seat belt retractors and audio module software due to multiple recalls. Regular maintenance, including synthetic oil changes and brake inspections, is crucial for longevity.

View Critical Issue: Seat Belt Retractor Malfunction

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Reliability Score

Est. Annual Maintenance Cost

$400 - $700

TSBs & Recalls

0 TSBs | 7 Recalls

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Key Takeaways

Prioritize addressing recalls related to seat belt systems and software.
Regular synthetic oil changes and brake inspections are essential.

2 more takeaways unlock below

Critical service intervals

Common failure analysis

Symptoms and prevention guidance