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3-Series (E46, E90) Chat relating to the BMW 3-Series from 1999 to Current. Models include: BMW 316i, BMW 318i, BMW 318Ci, BMW 320i, BMW 323i, BMW 325i, BMW 330i, BMW 328 Ci, BMW 328i, BMW 325i/xi, BMW 330Ci, BMW 320d, BMW 330d, BMW 335d.

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Old 08-22-2009, 09:52 PM   #1 (permalink)
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blower motor acting up

just had my a/c blower stop blowing air for no reason and then came back on about a minute later. anyone experiance this problem before and what could be the cause? the digital a/c monitor was still working fine just the blower stopped working.
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Old 08-25-2009, 06:08 PM   #2 (permalink)
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It's called many things, but Blower Motor Resistor should be your best shot. I got mine from autopartswarehouse.com for around $75. It's a pain in the ass to replace but worth the savings. Your glove box needs to be removed, disconnect air duct, pry linkage arm from servo motor, remove five-pronged connector, and remove two torx screws and clip. When I found out a girl did it, there's was no turning back : )
Good luck.
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Old 08-25-2009, 08:27 PM   #3 (permalink)
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Originally Posted by jasonss03 View Post
just had my a/c blower stop blowing air for no reason and then came back on about a minute later. anyone experiance this problem before and what could be the cause? the digital a/c monitor was still working fine just the blower stopped working.
if it happened only one time... let it ride. shut everything off. And let us hope it was just a computer glitch. If it dsnt re-occur... don't worry about it

Check also how it operates at different blower speeds. does it cut -out only at a specific level?.. or maybe all levels?

if it does happen again, then observe the operation of the blower. i.e. does it sound normal? or does it drag? what about if the system is in defrost or HEAT...? does it do the same thing?

answers to these questions as best you can will help pinpoint your prob.
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