The F30 3-Series was offered with the modular B48/B58 petrols, the N20 petrol and N55 six, and the N47 diesel, through the ZF 8-speed automatic. The owner-reported occurrence patterns below vary strongly by engine and production window — see the per-configuration breakdown. Community orientation only, not a reliability rating or purchase recommendation.
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Filtered: N20 · 2.0L petrol (N20).
Known issues
Sorted by severity. Tap an issue to reveal its symptom, repair and what to check.
HighOil pump drive chain wear (N20)built before 2015
MediumOil filter housing gasket leak (N20)
MediumValve cover / gasket oil leak (N20)
Engines & reliability
Tap a row to filter the issues to that engine.
Pre-purchase checklist
Documents
☐Check service history for repeated coolant top-ups
Test drive
☐Assess shift quality and D/R engagement when warm
Maintenance
Key service intervals — vary by engine and driving conditions.