Engine oil LIQUI MOLY or PENNZOIL

PENNZOIL Engine oil

Put about 300K on two different M54's so far. Originally Mobil1/Castrol 0W30 (that was the original BMW recommendation in early 2000s), eventually switched to Pennzoil Euro 5W40 for oil leak reduction.

Pros: oil leak reduction
Vehicle: BMW
Mileage: 300000 km
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PENNZOIL Engine oil

I switched to Pennzoil Ultra Platinum full synthetic made from natural gas. Oil consumption is 1/2qt in 5K.

Pros: reduced oil consumption
Mileage: 8047 km
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PENNZOIL Engine oil
bierlyn
  • Engine noise:
  • Exhaust smoke:
Rating 4.0

I’ve switched to Pennzoil and I’ve noticed I went from burning about ~1 quart between 5k mile changes to barely burning anything. It seems like my motor is a little happier with it based on it not making such a racket but that might just be confirmation bias

Pros: less oil burning
Cons: confirmation bias
Mileage: 8046 km
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