Quote:
Originally Posted by elp_jc
What I don't quite understand is why the air filter is called out on the manual, but it was replaced as well (invoice calls it 'microfilter')... unless it's something else. Hmmmm.
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I believe "microfilter" refers to the interior cabin air filter. It was initially called for to be changed, but I believe BMW late dropped that, since int make no sense to change after just 1,200 miles.