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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 12-04-2009, 09:39 PM   #1 (permalink)
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heater core

i put my heater core back in today. i have a 1991 e30 320i. Two questions..
http://www.realoem.com/bmw/showparts...33&hg=64&fg=18
in this diagram does pipe 1 go to the back of the block by the fire wall and pipe 2 go to the front of the block by the bleeder screw, could someone please look under their bonnet and check?

Also since i put the heater back in i have a weird heater valve problem. with the blower on cold the valve doesnt make any clicking noises. On hot at idle it doesnt make any clicking noises but when the blower is set to hot and the rpms of the engine are raised the valve goes click click click click ????
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Old 12-04-2009, 10:38 PM   #2 (permalink)
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Originally Posted by tim96 View Post
i put my heater core back in today. i have a 1991 e30 320i. Two questions..
http://www.realoem.com/bmw/showparts...33&hg=64&fg=18
in this diagram does pipe 1 go to the back of the block by the fire wall and pipe 2 go to the front of the block by the bleeder screw, could someone please look under their bonnet and check?

Also since i put the heater back in i have a weird heater valve problem. with the blower on cold the valve doesnt make any clicking noises. On hot at idle it doesnt make any clicking noises but when the blower is set to hot and the rpms of the engine are raised the valve goes click click click click ????
link does not seem to work......is this the link?

http://www.realoem.com/bmw/showparts...14&hg=64&fg=15


I assume you are thinking you hooked up the hoses wrong.......

? Did you get to bleed the system yet? Heater on high while you are bleeding it.

jb
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Last edited by johnnyBgood; 12-04-2009 at 10:41 PM.
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Old 12-04-2009, 11:45 PM   #3 (permalink)
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yea thats what i am wondering here is the link again:
http://www.realoem.com/bmw/showparts...33&hg=64&fg=18

and yes i have bled the system
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Old 12-05-2009, 10:32 AM   #4 (permalink)
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Originally Posted by tim96 View Post
yea thats what i am wondering here is the link again:
RealOEM.com BMW E30 320i Additional water pump/Water hose

and yes i have bled the system
Ok......I found this pic on a Bavarian Autosport link & the lower hose seems to make right to the engine block & the upper seems to travel straight on.....
probably towards the bleeder?

Bavarian Autosport

good luck

jb

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