Question about 1999 BMW 328 Series
I have a 99 328I. I start the car in the morning and the car warms up and the temp guage is at centre. I will get cold air for a while untill I drive for a few KM ( or Miles) and then I will start to get some warn air through. Once I stop the car at a red light or stop sign the warn air changes to cold again until i start to drive.
What is causing this, I checked the coolant and it is good, thermostate is working, what could be causing this any help is appriciated.
Put some coolant water in it. We had the same problem, cold air when the car stopped, and warm when higer speed. Needs coolant water, at least that fixed our problem :)
Posted on Jul 03, 2009
I had this exact same problem on a 99 328i also. It would heat up when I drove fast, but when i was going slow or at a light I would only get cold air. Cooling worked fine. Finally took it to a mechanic. They replaced the water pump and the thermostat and the problem went away. Although personally, I saw the old water pump and it looked great. I think it was probably the new thermostat that did the trick. But i had both replaced and the problem definitely went away.
Posted on Feb 10, 2009
Water pump may be the way to test take off cap when cald hold reves see if water flys out if so ok if not water pump maybe on the way out
Posted on Feb 08, 2009
I have the same problem start with my 2004 Honda Civic Si today. I checked the coolant and it looks fine. I can see it being the thermostat, but a water pump runs of a belt, doesn't it? That either seizes and stops or it works, I would think, so I'm wondering how the water pumo coild be the problem?
Posted on Nov 24, 2010
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Posted on Jan 02, 2017
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