Engine oil Mobil or LIQUI MOLY

LIQUI MOLY Engine oil

Had an E63 that I recently traded with almost 200K miles, a few months ago I scoped my 1 and 5 cylinders and they had what I would consider normal to no wear. So as a DIY'r, here are my observations, This is a bigger issue in the States than it is in Europe. ... Keeping the engine clean is key. Frequent oil changes no more than 5k mi, using quality oil and fleece filters, formerly a Mobil 1 guy, now using LiquiMoly.

Pros: normal to no wear, switched to this brand
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Mobil Engine oil

I used OEM Mazda Moly 0w20 oil for most of the last 8 years, until I started getting coolant showing up in my Blackstone used oil lab reports. Switched to Mobil1 5w30 high mileage this last time, 2,500 miles ago.

Cons: coolant showing in reports
Vehicle: Mazda
Mileage: 2500 km
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Mobil Engine oil

Good old fashioned Mobil 1 for me. It wasn’t available during the pandemic so I used Valvoline Synthetic for a couple of years.

Pros: good old fashioned
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LIQUI MOLY Engine oil
Centauri1984
  • Engine noise:
Rating 5.0

Whatever weight the owner's manual says it takes, I'd use that. You'll definitely want to go with a high quality oil though. I personally use Liqui-moly... I have 192,000 on my 2012 A6, and she's still purring right along, a lot of which in my opinion has to do with the higher end oil.

Pros: high quality oil
Vehicle: Audi A6
Mileage: 192000 km
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Mobil Engine oil
iConoClast04
  • Exhaust smoke:
Rating 3.0

Usually, motor oil goes bad because the additive packs that are in the oil get burned off or used up. I'd imagine that this new Mobil1 Annual Performance has more additive packs than what standard Mobil1 has but it's probably able to go that far because you're going to have to add additional oil that gets burned off because every car burns oil.

Pros: more additive packs
Cons: oil gets burned off
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