2010 BMW 1 Series 135i N54B30 (E82)
E82 / Coupe / Global (mainly North America, Europe, Australia)
N54B30Exact year/trim recordSilver
Engine identity
Oils and fluids
Service and parts data
Common and chronic problems
- High-pressure fuel pump failure
- Wastegate rattle and turbo issues
- Valve cover and gasket oil leaks
First checks
- Inspect turbocharger operation
- Check for oil leaks around valve cover and turbo seals
- Fuel system pressure test
Before replacing parts
- 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
- Global version primarily uses N54 engine but fuel system calibration and transmission options vary by market.
- Engine oil capacity includes filter change; use of approved BMW oil recommended to maintain Turbo and VANOS durability.