Quote:
Originally Posted by shawnhayes
I trust the company, but the whole "additive" idea begs a VERY SPECIFIC question.
WHY NOT HAVE IT IN THE OIL ANYWAY?
If it isn't in the oil that's BMW approved, there's a reason. They know it, and just get them to cop to it.
My buddies at Exxon/Mobil say it makes the oil a little abrasive in too high a concentration. It works great at startup (cause it's sitting on the surfaces), but the higher the concentration gets the less likelihood that it helps.
A lot of oil makers have gotten away from high moly suspect for these reasons. Liqui-moly doesn't put it in the "off the shelf" products mostly. And it's in their name. So, WHY?
Shawn
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Look no further then why BMW tells your transmission oil is lifetime (directly against what ZF recommends) or why your engine compartment is locked up like a tomb, ensuring all those nifty plastic and rubber bits fail soon after 5-6years, just in time for a new loan/lease. The goal is not to make a car that lasts forever, the goal is to get you coming back in a reasonable amount of time. 100k miles or less is that number. You driving around in a 10 year old BMW does them no good. As the masses transition to electric, it's the very reason why battery tech will never surpass 5-6years or 100k miles without significant degrading performance/reliability. Morals and ethics aside, It is absolutely horrible for business to create a product that rarely needs replacement. And here we are.
With that being said, I can see the abrasive argument for Mos2. However protection from LSPI bearing damage and startup wear tips the scales in it's favor by a large margin IMHO.
But all of this is just bench racing, let's talk real world results. Are there many users posting examples of 10 year old 180+ mile engines outputting 150+hp per liter pushing 5500lbs (think about that, it's like pulling a 1000+lb trailer in your M and then flogging it all the time) running just straight oil up on Bob's? Or is just all hypothetical?
I will acknowledge that my experience is anecdotal and could just be a lucky fluke, but considering this is on the original n63 engine, the engine that BMW lost a class action lawsuit over....well then it's one hell of a fluke.