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E21, E30 General discussion and technical help for 1975-1991 3 series cars.

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Unread 11-16-2007, 11:57 AM   #1

Name: rustbucket
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Your Ride: 1989 e30
E30 Blower Faulty

HI, i have just got hold of a 1989 e30 and the heater blower dont work on any speed, i do hear a small click when i turn it to top fan speed but that all i get! does anyone know where i should look or what my fault maybe?
thanks for any help
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Unread 11-16-2007, 12:14 PM   #2
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Name: nick_318is
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Location: Detroit, MI, I Heart E30s
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Your Ride: 1991 318is (e30 m42), 2007 Mazdaspeed 3
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It might be the heater control, it might be it might be the heater unit/fan, anyone else have a better idea?
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Unread 11-16-2007, 01:45 PM   #3
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Name: Exilion
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Alright here's what I looked up

"Insufficient heater output may be caused by a faulty heater valve, by a misadjusted blending flap cable, or by a cooling system fault. Coolant leaking visibly into the passenger compartment is a sign of a faulty core or coolant hose. A sweet anti-freeze odor in the car's interior, or a constantly fogged windshield may also indicate a faulty core. Inspect the carpet and the area near the footwell vents for any moisture or coolant. A leaking heater core may be caused by over pressurization of the cooling system."

If that doesn't help I can look into it further.

BMW's are made by god... kinda
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Unread 11-16-2007, 02:02 PM   #4

Name: Bubba
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heater Blower

On many of our cars, the final stage blower (Sword) is the culprit.
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