Overview
Community orientation
The current 3-Series generation, offered with the modular B48/B58 petrols and B47/B57 diesels, all through the ZF 8-speed automatic (a manual was offered on some markets). Sedan (G20) and Touring (G21), with an LCI facelift in mid-2022. This is an editorial summary, not a reliability rating; per-configuration facts and their evidence are below.
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Filtered: B47 · 2.0L diesel (B47).
Known issues
Sorted by severity. Tap an issue to reveal its symptom, repair and what to check.
Engines & reliability
Tap a row to filter the issues to that engine.
Pre-purchase checklist
Test drive
- ☐Assess shift quality and D/R engagement when warm
Maintenance
Key service intervals — vary by engine and driving conditions.
ItemIntervalCost
Brake fluid~2 years
Engine oil and filter12,000–15,000 km