Quote:
Originally Posted by flzrider
I understand your reasoning, but doesn't it conflict with the service bulletin below?
As I understand it, BMW used to use the FM fluid only as needed, but now it is the standard fluid.
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The question is why?
Is it because its easier to stock and use one to prevent mix ups?
Maybe just use the +FM to avoid customer complaints and perceptions that something is broken due to the grinding sounds?
Or is there a mechanical reason?