Engine code

Vehicles using B47C20O2 engine list:

Which cars use the B47C20O2 engine and what oil to use. Common B47C20O2 engine faults, symptoms, diagnosis, prevention and repair.

Recommended oil for engine B47C20O2 engine.

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Questions strictly about engine codes (brand/model/engine type/production years).
Oil Specs Comparison
Castrol EDGE 5W-30 C3
Castrol EDGE 5W-30 C3
ACEA C3 βœ”
API SN/CF βœ”
VW 505.00 / 505.01 βœ”
MB 229.31 / 229.51 βœ”
Dexos2 βœ”
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Mobil 1 ESP Formula 5W-30
Mobil 1 ESP Formula 5W-30
ACEA C3 βœ”
API SN/CF βœ”
VW 505.00 / 505.01 βœ”
MB 229.31 / 229.51 βœ”
GM dexos2 βœ”
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Liqui Moly Top Tec 4600 5W-30
Liqui Moly Top Tec 4600 5W-30
ACEA C3 βœ”
API SN/CF βœ”
VW 505.00 / 505.01 βœ”
MB 229.31 / 229.51 βœ”
GM dexos2 βœ”
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Sunoco Ultra Full Synthetic Euro 5W-30
Sunoco Ultra Full Synthetic Euro 5W-30
ACEA C3 βœ”
API SN/CF βœ”
VW 505.00 / 505.01 βœ”
MB 229.31 / 229.51 βœ”
GM dexos2 βœ”
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Oil specification key
βœ” – Meets the required specification
❓ – Not explicitly stated (use caution; check your vehicle manual)
❌ – Does not meet required specification. Use may cause engine issues.
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Answer generated by AI.

Oil specifications for B47C20O2 engine

SAE 0W-30
ACEA C3
BMW Longlife-17 FE+

Most common problems, symptoms & fixes for the B47C20O2 engine.

Engine B47C20O2 is known for occasional issues such as timing chain wear, turbocharger faults, and EGR valve clogging. Diagnosis involves listening for rattling noises at startup (timing chain), checking for loss of power or smoke (turbo), and scanning for fault codes related to emissions (EGR). Preventive measures include regular oil changes with manufacturer-recommended oil to protect the timing chain and turbo, and using high-quality fuel to reduce carbon buildup. Solutions range from timing chain tensioner replacement, turbocharger repair or replacement, to cleaning or replacing the EGR valve. Early detection and maintenance are key to avoiding costly repairs in these BMW and Mini models.