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I have a jug of Prestone 2 in 1 (orange) handy. Is it safe for washer fluid sensor in bmws? I heard silicone in rain x kills the level sensor (a form of silicone is also present in Prestone)

BMW is contradicting itself then. 2023 m340 manual indicates ll-12fe is approved for ise in the US.

My owner’s manual for 2023 m340 has ll-12fe as one of the two that’s approved. (US)

Yes, it is direct inj. Up to 25k, OCI was 5k using whatever dealer used. Since then, OCI was 10-14k using Amsoil SS and Amsoil filter. Last OCI was 6k just before the most recent oil change.

Not sure how it looked before the last change and it had ~6k miles on it. Up to 25k, OCI was 5k using whatever dealer used. Since then, OCI was 10-14k using Amsoil SS and Amsoil filter. Last OCI was 6k just before the most recent oil change.

Infiniti 2017 qx60 84k Mostly Amsoil SS, most recent one is synthetic from a shop Original owner

This is from a dip stick after 130miles since the oil change. Is it darker than it should be? QX60

The answers are all yes and I did use their oil as soon as the first oil change (5k). Amsoil was telling me that there has to be a proof that it is caused by their oil, and because one of the two blocks is having an issue (B1 and not B2), the rep said it is probably a mechanical issue. To be...

Do you recommend 5w-30instead or something like 10k intervals with 0w-20?

I did contact Amsoil and they made it sound like they will not cover it. It’s 3.5L V6 engine.

Hi all, My very first post. A question for pro mechanics here. :) Do I need to replace the engine? I have been using Amsoil for my cars for over 10 years without issues. However, my 2017 QX60 with 84k miles had a check engine light. I went to the dealer and the mechanic said that he has seen...