Engine code

Vehicles using S85 engine list:

Which cars use the S85 engine and what oil to use. Common S85 engine faults, symptoms, diagnosis, prevention and repair.

Recommended oil for engine S85 engine.

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Questions strictly about engine codes (brand/model/engine type/production years).
Oil Specs Comparison
Castrol EDGE 10W-60
Castrol EDGE 10W-60
ACEA A3/B4 βœ”
API SN/CF βœ”
BMW M βœ”
VW 501 01 / 505 00 βœ”
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Shell Helix Ultra Racing 10W-60
Shell Helix Ultra Racing 10W-60
ACEA A3/B4 βœ”
API SN/CF βœ”
BMW M ❌
VW 501 01 / 505 00 ❌
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Mobil 1 10W-60
Mobil 1 10W-60
ACEA A3/B4 βœ”
API SN/CF βœ”
BMW M βœ”
VW 501 01 / 505 00 βœ”
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Liqui Moly Race Tech GT1 10W-60
Liqui Moly Race Tech GT1 10W-60
ACEA A3/B4 βœ”
API SN/CF βœ”
BMW M ❌
VW 501 01 / 505 00 ❌
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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 S85 engine

SAE 5W-40
API SL
BMW Longlife-98

Most common problems, symptoms & fixes for the S85 engine.

Engine S85, found in the BMW M5 (2003–2010), is known for its high performance but also some common issues. Key problems include rod bearing wear, VANOS system failures, and oil leaks from valve cover gaskets. Diagnosis involves checking for knocking noises (rod bearings), rough idling or power loss (VANOS), and visible oil leaks. Preventive measures include regular oil changes with high-quality synthetic oil, timely replacement of valve cover gaskets, and monitoring oil levels closely. Solutions often require professional repair: rod bearing replacement is critical to avoid catastrophic failure, VANOS units may need cleaning or replacement, and gasket leaks should be sealed promptly to prevent engine damage.