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3-Series (E36) Chat relating to the BMW 3-Series from 1992-1999. Autodoodad Specific models include: BMW 316i, BMW 318i, BMW 318iS/ti, BMW 320, BMW 323, BMW 320, BMW 324, BMW 325, BMW 328.

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Old 01-17-2011, 03:48 PM   #1 (permalink)
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Blower Problem?

Hi
So I changed out the Final Stage Unit..(97 328is) and blower still didnt work at any speed so I have the Blower motor out now and have to replace except when I jump it to the battery it runs.. please someone tell me its an amp thing or I rustled the brushes around enough to get it to work that was a PITA !!
Please let me know where else to look if the new motor doesnt work?
Could the FSU have gotten burned out by the bad motor?
BTW does anyone know where I could look for the left side of the blower box(Whats it called?) I broke the damn little plastic tab that hold the door cable..!!

Thanks
Joe
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Old 01-17-2011, 04:23 PM   #2 (permalink)
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Quote:
Originally Posted by joe01952 View Post
Hi
So I changed out the Final Stage Unit..(97 328is) and blower still didnt work at any speed so I have the Blower motor out now and have to replace except when I jump it to the battery it runs.. please someone tell me its an amp thing or I rustled the brushes around enough to get it to work that was a PITA !!
Please let me know where else to look if the new motor doesnt work?
Could the FSU have gotten burned out by the bad motor?
BTW does anyone know where I could look for the left side of the blower box(Whats it called?) I broke the damn little plastic tab that hold the door cable..!!

Thanks
Joe
Assuming you checked all your fuses, have you checked the relay?






jbg
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Old 01-17-2011, 04:28 PM   #3 (permalink)
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In the link below, do you see the tab you are referring to?

RealOEM.com BMW E36 328i HOUSING PARTS - AIR CONDITIONING


link with blower issue:

http://forums.bimmerforums.com/forum....php?t=1264309
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Old 01-17-2011, 05:07 PM   #4 (permalink)
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Update

Ok.. So I put a test light on the wires coming from the blower
The light brightens as I up the fan and dims as I shut it down..
So I can assume the blower motor?

Joe
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Old 01-17-2011, 05:14 PM   #5 (permalink)
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Originally Posted by joe01952 View Post
Ok.. So I put a test light on the wires coming from the blower
The light brightens as I up the fan and dims as I shut it down..
So I can assume the blower motor?

Joe
Yes.....when you jumped the blower motor earlier, that was a direct 12 volts, sounds like a bad motor.



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Old 01-17-2011, 05:34 PM   #6 (permalink)
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Thanks

Thx for the heater box diagram, it looks like I have to buy the left upper housing.. but I'll stop at the dealer and check it out.. I did epoxy it but I think Ill spend the $60.. in case the epoxy cracks its alot better than taking the damn thing apart again!!!

Thanks Again.. Joe
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Old 01-17-2011, 05:44 PM   #7 (permalink)
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Quote:
Originally Posted by joe01952 View Post
Thx for the heater box diagram, it looks like I have to buy the left upper housing.. but I'll stop at the dealer and check it out.. I did epoxy it but I think Ill spend the $60.. in case the epoxy cracks its alot better than taking the damn thing apart again!!!

Thanks Again.. Joe
You are welcome.......

good luck,
jbg
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Old 01-18-2011, 08:30 AM   #8 (permalink)
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Old 01-22-2011, 02:42 PM   #9 (permalink)
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Help!!

Ok.. so I put the new blower motor in and NOTHING!! So I checked all the fuses, and swapped the relay w/ the horn relay to see it it was the relay , no luck horn works with blower relay... I just haven't gotten to fuse 48 under dash? too damn cold here today... but could it be the climate control panel? all the lights work things see to come on and go off, the panel does make a buzzing sound even for 30 seconds after turning the car off. Could the control panel make just the blower not work, buit everything else does?
Thanks
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