Switched over to LiquiMoly Molygen since 90K. Engine and transmission drives like new.
So, I recently drove 2 oils: NGN Emerald 5w30 and Ravenol VST 5w40. I watched the oil temperature displayed on the route book display in different modes, but there were no problems with the temperature.
I used Ravenol VST 5w40.
Right now I have liqui moly 5w-30 in there and it runs fine.
I bought this unusual oil made in Germany Ravenol NDT 5W-40...my truck has never sounded or performed better. I was hearing a little bit of top end noise at idle and that's complete quieted with this oil, as well as throttle response and overall smoothness of the engine and turbocharger increased greatly.
I paid $90 for the 9 liters of liqui moly OEM oil my s5 requires and did it myself.
I've ran liquid moly strictly on my car.
Nothing but the best. I personally use Ravenol. I have a bew and very particular about our because of cam issues. I would only substitute this for liquid Molly.
Liqui moly
As long as it meets the spec for the engine it doesn’t matter. I use Liqui Moly personally.
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