My blower just started making noise yesterday, barely any noise whatsover when on fan setting 1 or 2, but sounds like this (NOTE: not my car, but video is identical to the noise) on setting 3 and gets louder on 4. Does this warrant a complete replacement on the blower motor, or is there another fix? In addition, although if I have no noise on 1 and 2 fan settings, if I "close" the vent with the damper switch, i get the noise.
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If I had to live my life over, I'd live over a Saloon" - WC Fields
Garage
1991 325i
1972 R75/5 Cafe -
Either something (twig, small animal) is rubbing the fan impeller or, like mine, the ring that supports/stiffens the ends of the impeller blades has broken allowing some vanes to deflect under high load and rub the housing. -
Sounds like a broken fan cage to me, and while a few people have swapped them out it's probably going to require a replacement fan unit.Comment
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You'll have to Open it up and see. It sounds like one of the impeller blades has broken inside the housing."If everything seems under control, you're just not going fast enough"
-Mario Andretti.
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River City Bimmers BMW CCA
2005 X3 3.0i ZPP, Htd seats, Htd strng, Black Sapphire on Terracotta.
2002 ///M3 Coupe, Steel Gray Metallic on black leather, HK, three pedals.
1991 E30 325ic, AW, Black Leather, Black top, Three Pedals.Comment
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blower
Looks like a new blower is needed. Very common problem with E30's.Comment
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Yup, you have broken blower fan blades. Good luck putting that FUCKIN SHACKEL on, its a bear. Be careful not to bend it if/when you use tools to remove/put it back on.
Out of all the hours of work I have done on my e30 from exhaust manifold heat shield to replacing the control arms to fixing the A/C that FUCKING SHACKEL has been, by far, the worst.
Good luckComment
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