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      12-14-2011, 01:19 PM   #31
Papethova
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Drives: '08 135/ '11 1M
Join Date: Oct 2007
Location: at Death Valley 127

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Quote:
Originally Posted by flzrider View Post
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.

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?