Vehicles using N54B30 engine list:
- BMW - 335xi (225kW) 2007–2008
- BMW - 740i (240kW) 2008–2012
- BMW - 335i xDrive (225kW) 2008–2010
- BMW - 335i (225kW) 2010–2013
- BMW - Z4 sDrive35is (250kW) 2011–2017
Recommended oil for engine N54B30 engine.
| Castrol EDGE 0W-40 R | |
|---|---|
| ACEA C3 | ✔ |
| Renault RN17 RSA | ✔ |
| Kinematic @ 100°C | 13.5 mm²/s |
| Kinematic @ 40°C | 78.3 mm²/s |
| Viscosity Index | 178 |
| Pour Point | -48°C |
| Flash Point | 200°C |
| Density @ 15°C | 0.849 g/ml |
Oil specification key
✔ – Meets the required specification
❓ – Not explicitly stated (use caution; check your vehicle manual)
❌ – Does not meet required specification. Use may cause engine issues.
✔ – Meets the required specification
❓ – Not explicitly stated (use caution; check your vehicle manual)
❌ – Does not meet required specification. Use may cause engine issues.
Answer generated by AI.
Oil specifications for N54B30 engine
BMW Longlife-01
SAE 5W-30
ACEA A3/B4
Most common problems, symptoms & fixes for the N54B30 engine.
Engine N54B30 is known for issues like high-pressure fuel pump (HPFP) failure, turbocharger wastegate rattle, and carbon buildup on intake valves. Diagnosis includes listening for unusual noises, checking for misfire codes, and fuel pressure tests. Prevention involves using high-quality fuel and regular oil changes with synthetic oil. Solutions for HPFP failure require pump replacement; turbo rattle often needs wastegate actuator or turbo replacement. Carbon buildup can be addressed with walnut blasting or professional intake cleaning. Early attention to these symptoms helps maintain performance and reliability in the affected BMW models.