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3-Series (E46, E90) Chat relating to the BMW 3-Series from 1999 to Current. Models include: BMW 316i, BMW 318i, BMW 318Ci, BMW 320i, BMW 323i, BMW 325i, BMW 330i, BMW 328 Ci, BMW 328i, BMW 325i/xi, BMW 330Ci, BMW 320d, BMW 330d, BMW 335d.

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Old 11-09-2012, 07:56 AM   #1 (permalink)
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Water Pump Change - No Heat

I changed the water pump on my 2000 323Ci and now I have no heat. Temperature maintains in normal range while driving so the pump is working.

Any suggestions would be helpful
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Old 11-09-2012, 09:25 AM   #2 (permalink)
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Possibly the heater core (just like a small radiator in the lower dash) may not be getting coolant due to clogs.
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Old 11-13-2012, 04:06 PM   #3 (permalink)
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Heater worked fine until I replaced the water pump. Have a feeling the water pump is putting out enough pressure to push the hot water to the heater core.
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Old 11-14-2012, 06:50 AM   #4 (permalink)
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Welcome to the Werkz.

Its probably an air lock in the system obstructing the coolant from making its way through the heater core. Put the heater setting on max, put the front of the car up, (Steep driveway or ramps) and then bleed the air out of it as per the normal process. Hopefully this will help.
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Old 12-03-2012, 06:21 AM   #5 (permalink)
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the best would be you look up for this problem to mechanics. he would better give you a best possible solution,,,,...
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