Technical LiquiMoly and any oil additives instructions CLARIFIED

matreyia

Major
Apr 19, 2017
1,780
711
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335i e93
So LiquiMoly has insane confusing instructions on their additive products like Mos2, Ceratec, Motor Oil Saver, etc... and I want to set the record straight here. On the cans, the directions say add AFTER oil changes but nothing about the danger of overfilling if you add after new oil is filled to factory specs. After digging around and watching confusing Youtube LM videos on how to use their products, I found in a innocuous small paragraph:

"Oil Additive can be used at any time, even between oil changes.However, care should be taken that the maximum oil filling quantity including additive is not exceeded."

So there you have it. Finally a clear statement of usage that confirms common sense and dispels the confusing instructions on those cans.
 

zeuskkk

New Member
May 24, 2021
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I'm pretty sure an extra quart of oil or additive will not ruin your engine.

Source: I've been running an extra quart on track since 2019.
 

matreyia

Major
Apr 19, 2017
1,780
711
0
Ride
335i e93
I'm pretty sure an extra quart of oil or additive will not ruin your engine.

Source: I've been running an extra quart on track since 2019.
You are correct, however on an N63 v8, you would end up overfilling 1200mL. if you wanted to use ceratec plus Motor Oil Saver for seals conditioning.