2011 BMW 135i N54B30 (E82)
E82 / Coupe / Global (with variations primarily in Europe, North America, and Asia)
N54B30Fiche exacte année/versionGold
Engine identity
Oils and fluids
Service and parts data
Common and chronic problems
- High-pressure fuel pump failures (HPFP)
- Wastegate rattle from turbochargers
- Timing chain tensioner wear leading to rattling noise
First checks
- Inspect HPFP and turbocharger condition
- Check timing chain noise especially at cold start
- Verify regular oil and filter changes
Avant de remplacer des pièces
- Save fault codes and freeze-frame data before clearing anything.
- Check engine oil, coolant and transmission fluid using the correct temperature and service procedure.
- Verify power, ground, connectors, hoses, leaks and live data before replacing expensive parts.
Important notes
- This profile covers the most common 135i engine configuration using the N54 engine.
- Market differences mainly affect transmission choice and minor emissions equipment.