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Old 11-30-2012, 12:04 PM
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hornhospital hornhospital is offline
D'oh, You Kids!
Location: In the Grumpy Chair
Join Date: Jan 2008
Posts: 15,893
Mein Auto: 1995 318is / 1993 325is
Originally Posted by Krumchev2 View Post
So you're saying its the brushes inside the motor itself not always making contact?
Correct. They are probably worn down to nubbins and the springs can no longer push them solidly against the commutator.

Originally Posted by Krumchev2 View Post
So do I need a whole new blower motor?
Not necessarily. You may be able to replace just the brushes, or have an electric motor shop do it for you. They could determine if it's viable to rebuild the motor for a lot less than the cost of a motor. If it's shot, you're only out a few bucks. If it's salvageable, the repair should be MUCH less than a new motor.

You can DIY some of them if you can find brushes that fit. I've replaced blower brushes in GMs before, using alternator brushes, but I have yet to do a BMW blower.
Quotes to live by:
guessing gets expensive...drivinfaster
nothing is more expensive than a cheap BMW...c4harpe13
buying a ratty example (of a BMW) is a parasitic relationship.(and you ain't the mosquito) 7pilot

Ken Kanne, Silverhill, AL, E36 Forum Mod/Craigslist addict/Hoarder of all sorts of stuff
BMW-CCA #441426
1995 318is "Bebe"; 1993 325is "Elvira" 1985 635CSi "Katja" 1984 633CSi "Sylvia"

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