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Go Back   Bimmerfest - BMW Forums > BMW Model Discussions > 3 Series / 4 Series > E36 (1991 - 1999)

E36 (1991 - 1999)
The E36 chassis 3-Series BMW was a huge hit among driving enthusiasts from the first moment the car hit the pavement. The E36 won numerous awards over the years it was produced and is still a favorite of many BMW enthusiasts to this day! -- View the E36 Wiki

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  #1  
Old 03-06-2013, 05:23 AM
darren325 darren325 is offline
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Location: london
 
Join Date: Mar 2013
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Mein Auto: 325i
warm air

i have a 325i and it seems to blow cool air when the engine is hot through the vents untill i rev the engine up or drive like a looon,,,, is this normal... thanx 4 ur help with my worries,,, i should add its when i want hot air as its still cold here in london
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Old 03-06-2013, 06:19 AM
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jonesin jonesin is online now
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Location: Fort McMurray AB
 
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Mein Auto: '96 328is Cosmos
Quote:
Originally Posted by darren325 View Post
i have a 325i and it seems to blow cool air when the engine is hot through the vents untill i rev the engine up or drive like a looon,,,, is this normal... thanx 4 ur help with my worries,,, i should add its when i want hot air as its still cold here in london
Search google for "pelican + bleeding e36".

You have air trapped in your cooling system. Even if you've bled it you still missed some. Yes, do it again. Now that it has been done AT LEAST twice, do it again.

Yes I am serious. Yes, many others here will confirm this.

Note that I didn't bother to say to check your coolant level ass doing this will top it off regardless of the coolant level initially.

Sent from my U8651T using Bimmer App
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Last edited by jonesin; 03-06-2013 at 06:21 AM.
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Old 03-06-2013, 03:47 PM
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drivinfaster drivinfaster is offline
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Location: in the sticks you piney
 
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Mein Auto: rescued bmw's
this sounds like air in the system, and, as ed mentioned, refilling the system should bring you back to normal operation of the heater. however, if you find that the cooling system is full and there are no other indicators of a leak somewhere, you may have a restricted heater core.

checking the operating temp is also a factor should the cooling system as an improperly operating thermostat could cause issues as well. the temp guage should read 1/2 when at operating temp.



and welcome to the fest!!



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