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-   -   My heater isnt hot after a while... (https://xoutpost.com/bmw-sav-forums/x5-e53-forum/35818-my-heater-isnt-hot-after-while.html)

rudejamaican 08-20-2007 07:30 PM

Quote:

Originally Posted by flip_x
Hey all...

i got a 2001 4.4 and when i use the heater at 70 it gets pretty nice and toasty but after a little bit of driving it gets cold... what could this be?? thanks




edit..
it gets warmer if i bump up the temp then it goes back down again..

HEAT :flame: ?????, why are you using heat now, does it get cold where you are already. Here in atlanta its been 100 degree and over for the pass 2 weeks. if it gets any hotter i am gonna :explode:

flip_x 08-21-2007 01:52 AM

Well its hot!! but after a while of having it blow the hot air... it feels noticbley cooler after like 10 min of driving... but if i bump up the temp it gets hot again but then cools down... once it cools down it stays that way and doesnt warm back up..



ps.. the reason why is it happend last winter and i want it to work for this summer so get it ready before hand hehe..

cpatzer 08-21-2007 12:04 PM

Like I said, the reason it is stopping is because it is already hot in the car. If you turn the thermostat up in your house, the heater runs until it reaches the set degree. After that it turns off.

With a BMW heater it will blow hot air until the set degree is reached. If you then turn up the heat, it will blow hot air again until it reaches that temp inside your car. It will then blow cold or luke warm air until it drops below the given temperature again, then it will blow hot air again, and on, and on.

It is basically working as it should. Keeping the temperature at the degree that you set it.

flip_x 08-21-2007 12:41 PM

ya i get that... but after 30 min of driving it gets cold and doesnt warm up just still blows cold air... and the inside its colder deff.. not 70 ... ive tested it with driving the window open to see if it gets cold... and it still does.


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