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      09-29-2020, 01:14 PM   #24
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Drives: 2017 M3, 2020 X7 40i
Join Date: Jul 2016
Location: Northeast

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2009 BMW 128i  [0.00]
2013 BMW X3  [0.00]
2020 BMW X7  [0.00]
2017 BMW M3  [0.00]
Originally Posted by iLikeTrains55 View Post
Originally Posted by rborane View Post
What is the process and how do you use Ceratec? Was looking at it the other day. How much do you use and how often?
I want to say that I've read somewhere in the BMW manual... something to the effect of "do not use engine oil additives." I've heard that LM makes some good oils (synthenergy comes to mind) but many of the additives are snake oil.

As an aside - I've used good 0W30 or 0W40 oil with a high quality synthetic media filter (WIX) at generous intervals and i've been very happy.
While there is plenty of "snake oil" out there, especially on the shelves of your local auto parts store, Liqui Moly actually has a pretty good reputation when it comes oils, oil additives and fuel additives - but it is always a good idea to do your own research to your comfort level. As far as what BMW says about not using oil additives, I take that with a grain of salt - I think it is primarily the lawyers talking. BMW clearly makes very good, high performance engines. But BMW is a high volume engine producer just like ever other major car manufacturer so there is nothing that special or unique about them.

I have used liqui moly stuff in all of my BMWs, to include when new. I use the Ceretec (every 20k miles is the recommendation IIRC), Jectron fuel system cleaner every 2.5k miles, and the engine flush every 20-30k miles.
///M3 COMPETITION 6MT - 2017 F80 Smoked Topaz Metallic
BM3 / MP-HAS / GC Camber Plates / Carbonstructure Interior / OEM Blackline Tail Lights
X7 XDrive 40i ///M-SPORT - 2020 G07 Arctic Grey Metallic

X3 - 2013 F25 Titanium Silver Metallic (wife's) / 128i 6MT - 2009 E82 Jet Black (son's)