Originally Posted by
AudiDude68
The only time I had any experience with LiquiMoly is using their valve cleaner since it was on sale. Thought why not. Wont do any harm. Its true, in Europe we dont think of this brand too much. Its just like you said...it's ok... again I have no experience with the brand much so I need to step down.
I did notice that same brand of oil manufacturer, Motul for example, offers for the same car different viscosity if you ask UK vs Germany website. In UK they suggest 0W-40 while ze Germans say 5W-30.
I was told that I need 5W-30 by most oil manufacturers if I want VW504 oil certified. While 0W-40 is the suggestion if I want VW502 oil. No idea why?
The winters where I am are not that harsh. Rarely goes below -15C. So I think Im good with 5W-30.
I heard Audi using more brands with out much fuss. Still feels weird since they print Castrol on your oil cap. While they themselves dont give a $hit what they use.
QUESTION:
You use VW504/507 oil...and when/how often do you change it? Do you do mostly city/heavy traffic driving? Because I heard that its not recommended to run VW504 such as EDGE if you do this sort of driving. As apparently VW502 oils are more aggressive in protection but pay it for losing performance more quickly.
I do about 10k km or less, even on LL3 (504/507) oil. Even on a stretch, I've done max 13k. I would NEVER do the 30k km. That's just nuts. I use 502/505 or whatever oil as well. It's more or less the same- keep it under 10k. The thing is I think so many problems with these cars, particularly the timing sets, comes from the OCI. I'm also not making that up as there were some tests and anecdotes about built up moisture and measured acidity levels, particularly when combined with short-trip driving.
Most of my driving is Autobahn up to 250kmh. I do very little highway and around town driving. When I do, the car is almost always warmed up fully which helps to reduce moisture content.
As far as Audi printing Castrol- it was because they co-developed the oil spec needed for the engines- they heavily pushed for a lower viscosity oil with a 3.5 HTHS minimum. Of course, other things like low zinc and other stuff were required.
I really stopped getting hung up too much on the oil, TBH. Just get good quality stuff, keep it clean, good filter, change it before it gets too old, excessive changes also unnecessary, and done. I even use LM oil because I still have a couple of jugs left from when I had a Mercedes (it's a MB 229.1 oil which is also 502 certified). It really doesn't matter too much. I had my engine rebuilt last year, everything was fine inside, including the bearings and cam journals. It was rebuilt due to the oil consumption problem. I use Mann or Mahle filters. Really, getting hung up that much on the oil is so unnecessary. You simply just have to keep it changed and make sure it's the right grade for the usage. That said, the only one I would really recommend if one is truly doing high speed, high-boost driving is Motul's equivalents because their oils for some variants have higher boiling points, a bit higher HTHS, and appear to burn off less. Driving for hours at high speeds, high RPMs, and high boost, and high temps can be pretty tough. Eventually, the heat does start soaking and creeping up, oil turns into vapors, and so on. In that sense, I had good experiences with Motul prior to when my oil burning became a huge problem. It definitely lowered the consumption. I also go to to Arctic Norway and Sweden in the winter, so we're talking -26C or lower, so that's why I go for 0w-30 and the trip is well over 10k km.
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