Vehicles using N46B20 engine list:
- BMW - Z4 2.0i (110kW) 2004–2008
- BMW - X3 2.0i (110kW) 2004–2006
- BMW - 320i (110kW) 2005–2009
- BMW - 318i (95kW) 2005–2007
- BMW - X3 xDrive20i (110kW) 2006–2010
- BMW - 520i (120kW) 2007–2010
- BMW - 320i (110kW) 2007–2009
- BMW - X1 sDrive18i (110kW) 2009–2015
Recommended oil for engine N46B20 engine.
| Castrol EDGE 5W-30 LL | |
|---|---|
| SAE 5W-30 | ✔ |
| ACEA C3 | ✔ |
| VW 504.00/507.00 | ✔ |
| MB 229.31/229.51 | ✔ |
| Porsche C30 | ✔ |
| BMW Longlife-04 | ✔ |
| Dexos2 | ✔ |
| Motul 8100 5W‑30 X‑Clean | |
|---|---|
| SAE 5W‑30 | ✔ |
| ACEA C3 | ✔ |
| VW 504.00 / 507.00 | ✔ |
| MB 229.31 / 229.51 | ✔ |
| Porsche C30 | ✔ |
| BMW Longlife‑04 | ✔ |
| GM dexos2 | ❌ |
| RAVENOL VMP 5W‑30 | |
|---|---|
| SAE 5W‑30 | ✔ |
| ACEA C3 | ✔ |
| VW 504.00 / 507.00 | ✔ |
| MB 229.51 | ✔ |
| Porsche C30 | ✔ |
| BMW Longlife‑04 | ✔ |
| GM dexos2 | ✔ |
| Pennzoil Platinum Euro Full Synthetic 5W‑30 | |
|---|---|
| SAE 5W‑30 | ✔ |
| ACEA C3 | ✔ |
| VW 504.00 / 507.00 | ✔ |
| MB 229.31 / 229.51 | ✔ |
| Porsche C30 | ✔ |
| BMW Longlife‑04 | ✔ |
| GM dexos2 | ✔ |
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 N46B20 engine
SAE 5W-30
ACEA A3/B4
API SN
BMW Longlife-01
Most common problems, symptoms & fixes for the N46B20 engine.
Engine N46B20 is known for issues like timing chain wear, VANOS system faults, and oil leaks. Diagnosis often involves checking for rattling noises at startup (timing chain), rough idling or power loss (VANOS), and visible oil seepage around the valve cover gasket. Preventive measures include regular oil changes with high-quality synthetic oil to reduce wear and timely replacement of the valve cover gasket. Solutions involve replacing the timing chain and guides if worn, servicing or replacing VANOS solenoids, and fixing oil leaks by renewing gaskets and seals. Early attention to symptoms can prevent costly repairs in BMW Z4, X3, 320i, 318i, and 118i models.