Engine code

Vehicles using BEX engine list:

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

Recommended oil for engine BEX engine.

Ask AI about any Engine code
Questions strictly about engine codes (brand/model/engine type/production years).
Oil Specs Comparison
Castrol EDGE 5W-30 LL
Castrol EDGE 5W-30 LL
SAE 5W-30 βœ”
ACEA C3 βœ”
VW 504.00/507.00 βœ”
MB 229.31/229.51 βœ”
Porsche C30 βœ”
BMW Longlife-04 βœ”
Dexos2 βœ”
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Motul 8100 5W-30 X-Clean
Motul 8100 5W-30 X-Clean
SAE 5W-30 βœ”
ACEA C3 βœ”
VW 504.00 / 507.00 βœ”
MB 229.31 / 229.51 βœ”
Porsche C30 βœ”
BMW Longlife-04 βœ”
GM dexos2 ❌
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RAVENOL VMP 5W-30
RAVENOL VMP 5W-30
SAE 5W-30 βœ”
ACEA C3 βœ”
VW 504.00 / 507.00 βœ”
MB 229.51 βœ”
Porsche C30 βœ”
BMW Longlife-04 βœ”
GM dexos2 βœ”
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Pennzoil Platinum Euro Full Synthetic 5W-30
Pennzoil Platinum Euro Full Synthetic 5W-30
SAE 5W-30 βœ”
ACEA C3 βœ”
VW 504.00 / 507.00 βœ”
MB 229.31 / 229.51 βœ”
Porsche C30 βœ”
BMW Longlife-04 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 BEX engine

SAE 5W-40
ACEA A3/B4
API SL
VW 502.00
VW 505.00

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

Engine BEX in Audi A4 1.8 Turbo (2002–2005) commonly faces issues like turbocharger failure, carbon buildup on intake valves, and coolant leaks. Diagnose turbo problems by checking for excessive smoke, loss of power, or unusual noises. Prevent carbon buildup with regular intake cleaning and using quality fuel. Coolant leaks often stem from the water pump or thermostat housing; inspect these regularly and replace seals as needed. Address oil leaks promptly to avoid turbo damage. Regular oil changes with manufacturer-recommended grades help maintain engine health. Timely attention to these areas ensures longevity and reliable performance of the BEX engine.