Question about 2003 BMW 525i

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My 2003 bmw 525i heater only blows cold air

When I turn on the heater it will only blow cold air. Otherwise car runs well

Posted by Anonymous on

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 116 Answers

SOURCE: BMW 325xi 04 Heater Fan working (sound) but not blowing any air.

motor is going bad replace it

Posted on Dec 11, 2008

  • 1 Answer

SOURCE: 2002 BMW 540I air/conditioner not blowing air at all.

It is the Final Stage Unit/Blower Motor Resistor - changed mine and the problem never came back. After two tows and drained batteries. Most mechanics don't seem to put this one togther - you have to demand it. Funny because it is a VERY COMMON problem in BMW.

Posted on Dec 22, 2008

  • 1 Answer

SOURCE: Faulty Fan Heater - The main vents are just blowing out cold air.

Go to your idrive., climate the vent settings. you will see a person along with vent areas on the side.
If this persons color is blue it blows cold air so turn the dial for vent closest to that person until the
color changes red then hot air comes out on the vents for driver and passenger. Then let me know.

Mark
2006 BMW 530i sport

Posted on Feb 01, 2009

  • 30 Answers

SOURCE: air condition not blowing cold air

Is any air coming out at all?

If warm air is being blown out, then your refrigerant level is probably low. The car is fitted with a safety cut off, to stop the air conditioning system working if the refrigerant (R134a) level is low.

This cut off only effects the air conditioning, the blower would still function normally.

Posted on Apr 21, 2009

  • 1 Answer

SOURCE: My 97 BMW Z3 keeps overheating

I too had similar problem when replacing the thermostat on my Z3. My advice is top up with more coolant and check the level.

Posted on Jan 06, 2010

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Overheating


To troubleshoot this types of problem,click the link below :----http://howtobyme.blogspot.in/2012/02/heater-blows-only-from-defrost.html
--------Go through the procedure to confirm the issue.

------
Engine Overheats and heater blowing cold?

http://howtobyme.blogspot.com/2011/11/engine-overheats-and-heater-blowing.html

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Heat blows cold on drivers side and hot on passenger side?

http://schematicsdiagram.blogspot.com/2011/12/heat-blows-cold-on-drivers-side-and-hot.html

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For car running hot and overheating issues, I suggest to you go through this help links. Click this link below and go through the troubleshooting procedure to take care of the problems: ----Car runs hot? http://howtobyme.blogspot.com/2011/11/car-runs-hot-in-traffic.html
-----------All types of car overheating problems and troubleshooting?

http://technoanswers.blogspot.com/2011/11/all-types-of-car-overheating-problems.html
Car freeze overnight and started overheating while driving?http://technoanswers.blogspot.com/2012/01/car-freeze-overnight-and-started.html-----------Engine Overheats and heater blowing cold?

http://howtobyme.blogspot.com/2011/11/engine-overheats-and-heater-blowing.html

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Car overheats and Air blows hot at idle?
http://howtobyme.blogspot.com/2011/11/car-overheats-and-air-blows-hot-at-idle.html
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----------This details will help.Thanks.

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My 2003 325i blows cold air, heater never heats up, what's the potential causes/cures?


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Dec 14, 2010 | 2003 BMW 325

1 Answer

My airconditioner is not blowing out real cold air..my heater is not blowing out heat just cold air


Reasons for lack of cold a/c is low refrigerant. Does compressor engage and spin when a/c turned on??

Reasons for cold air from heater are

Blocked heater cores
Faulty thermostat
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1 Answer

Heater blows cold air


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When running the ac it overheats


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This may be a solution:
I had a similar problem at the beginning of this winter.
My heater was blowing cold air.

My solution:
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Install, about $70, at my local Firestone

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