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3-Series (E21, E30) Chat relating to the BMW 3-Series from 1975-1983 and 1984-1991 line. Specific models: BMW 315, BMW 316, BMW 318, BMW 318i, BMW 320/4, BMW 320i, BMW 320/6, BMW 323i, BMW 320i. E30 Family models include: BMW 325e, BMW 325i, BMW 325is, BMW 325ix.

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Old 03-08-2009, 07:45 PM   #1 (permalink)
n00b
 
Join Date: Mar 2005
Location: Powhatan, Virginia
Car: 86 E30 and 97 E36
Posts: 30
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Stamey is an unknown quantity at this point
1986 325 Blower Motor

My blower motor quit on me the other day and I had to replace it. Fortunately I have a couple of extra parts cars for this situation. Unfortunately I was unable to get the replacement blower motor in without damaging one of the squirrel cages. It's really tight, being directly behind the head and intake, and I suppose the plastic is brittle after 23 years. I found the breaks before I reassembled, and coated the breaks with JB Weld, but even after curing overnight the fan still broke and makes all kind of noise on anything besides level 1.
Considering this, I have two questions.
1. How do I get the blower motor in without breaking one of the fans? Do I need to drop a motor mount or both, so I can lower the engine about 3 inches?
2. Does anyone know how to remove the fan from the motor? It kind of looks like a press fit to me, and with this old, old plastic, I'm not hopeful of bruting it off without breaking the good one on my old motor.

Thanks,
Chris
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1997 E36, 125K
1986 E30, 323K and counting.
Other vehicles: 99 and 96 Dodge Ram 2500's, 4x4 DIESEL. Twin turbos, 600 hp and 12's in the 1/4. I wish could afford a BMW with a diesel.
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Old 03-08-2009, 09:23 PM   #2 (permalink)
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silversled can only hope to improve
I just did this on my 1988 325iC....the key is to remove the valve cover to provide more room to get the damn squirrel cage in/out without toasting the plastic vains...sucks...I feel your pain...truth is I had to do the very same repair on my wifes 1990 MB 300TE. I swear to God, every single German car I have ever owned in my life, and there have been many, have had a crapped out heater blower motor..............Behr sucks....I have replaced 2 of these pieces of shit in the last 4 months, one BMW and one Mercedes Benz. Collectively they would have cost me a grand but fortunately I have an excellent junk yard near so it was only around 50 beans for both, but nevertheless....Behr sucks....
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Old 03-15-2009, 11:19 AM   #3 (permalink)
n00b
 
Join Date: Mar 2005
Location: Powhatan, Virginia
Car: 86 E30 and 97 E36
Posts: 30
Photos:
Stamey is an unknown quantity at this point
Pull the valve cover, huh? I had not thought of that. I will give that a try. Thanks.
Now, anyone know anything about replacing the squirrel cage fans on these buggers?

Thanks,
Chris
__________________
1997 E36, 125K
1986 E30, 323K and counting.
Other vehicles: 99 and 96 Dodge Ram 2500's, 4x4 DIESEL. Twin turbos, 600 hp and 12's in the 1/4. I wish could afford a BMW with a diesel.
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