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      08-10-2012, 01:10 PM   #24
ozzy1
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Drives: e90 - 328xi
Join Date: Aug 2012
Location: MI

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Just to add to this, my fan started making the cricket sound as well only in AC and only in the 3 bar speed. Took the blower out and serviced as mentioned but then realized that the rusty shaft is completely visible through the hole when the cabin filter is removed. So, it may not be a bad idea to do a quick visual check thru there and if there is any rust on the shaft spray with lubricant. Used two straws taped together to reach in there and spray the shaft without getting it all over. Very clean and easy. Putting the plastic pieces of the ventilation system after blower servicing was a pita.