Question about 2003 BMW 5 Series

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Bmw x5 air conditioner

Air conditioner motor keeps running even when car is not running. this is causing the battery to run down quickly when car is not in use.

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  • scottmason Oct 22, 2008

    I HAVE THE SAME PROBLEM WHEN MY 2003 BMW X5 3.0 IS NOT RUNNING THE FAN KEEPS BLOWING AND DRAINS THE BATTERY. I'VE COME TO THE POINT OF DISCONNECTING THE BATTERY EVERY TIME I TURN THE CAR OFF. PLEASE HELP, NEED RESOLUTION.

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2 Answers

I took mine to BMW... its a bad resistor.. glove box has to be removed

Posted on Sep 28, 2008

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Somewhere short, first dsconnect the wire pluged on the compressor motor then fix it.

Posted on Jul 08, 2008

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3 Answers

I have new blower motor. it dosen't stop running


Could be a bad blower motor resistor,mounted by the blower.

Sep 28, 2016 | 2002 Dodge Ram Pickup 1500

1 Answer

I have a 2002 dodge intrepid 3.5L does a bad Alternater cause a car not to idle


It could, but then your battery would soon be so dead that it couldn't crank the engine over when starting. You see, when an alternator fails the engine will still run off battery power till that is depleted, and then the engine shuts down, battery is dead, even quicker if anything besides the engine is using juice. The headlights or A/C will quickly run the battery down- you won't get 5 miles. I once had a Celebrity that the alternator went out just as we were leaving home, the ALT. light came on, wasn't the belt or slipping, had to see if I could get to the nearest parts store. I kept everything off, even the radio, only using the battery to run the engine. It was 55 miles and we made it there with juice to spare. New alternator and the battery still had enough power to start the engine, don't recall anyway that I had to get a boost. If it had been nighttime, I never would have tried it. I might be challenged, but I'm not crazy.

Easy to check your alternator with a voltmeter. Another cause of no idle is the idle air control motor or valve. It's on the throttle body assembly, and it just might need cleaning. I hope you find it, good luck.

Aug 07, 2015 | Dodge Cars & Trucks

1 Answer

The fan in my x5 bmw keeps running even when the car is off, any suggestions what or how to fix it ?


How would it be a blown fuse--- I ask?

If a fuse was blown-- how would the fan have
a complete circuit-- in order to run at all?

Have to diagnose the fan control circuit, to
find a problem

Dec 02, 2014 | 2004 BMW X5 3.0i

1 Answer

Ac fan runs even when off pulling down the battery


I am not familiar with the X5, but most cars electric fans are controlled by a thermostat. If the thermostat, or the associated relay is stuck or defective, this could cause this problem. BE AWARE however that most fans stay on for a time to cool the engine, even after shut down. If your battery is weak, the fan staying on could draw the battery down.

Mar 23, 2014 | 2001 BMW X5 3.0i

1 Answer

I have a 2007 Toyota matrix and the fan that cools the motor will not shut off even when I turn the car off, this causes the battery to run down, any ideas what the problem might be


Does the fan really run until the battery goes dead?? OR are you afraid that it might run until the battery is dead?? In many cars, the fan will continue to run for a short time after you shut it off.... until the engine coolant is cooled to a certain point. It can also run for a while when you've been using your air conditioner. Now, if it is actually running continuously and won't turn off, there is a sending unit somewhere that isn't functioning correctly, either in your cooling system... or your air conditioning system. You're going to need to do some research and find out which sending unit might be the culprit..... or take it to the shop. They'll know what to do and can probably quickly fix it.

Dec 03, 2013 | Cars & Trucks

1 Answer

BMW 2002 X5 Battery Drain


I am having the same problem with my 2002 X5. There is a motor or fan running behind the AC control panel on the dash and if I pull fuse 48 it stops and the battery doesn't drain. Still looking for the cause and solution so that I don't have to keep pulling and installin fuse 48. BMW garage suggested that it was the Final Stage Blower Resistor. I replaced this and no change. I hope someone has an answer that will help us both.

Jul 09, 2013 | 2005 BMW X5

1 Answer

Air conditioner makes car miss what could cause this


Engine stalling and rough run issue at low speeds

This problem is commonly caused by a dirty automatic idle speed control valve and throttle valve. Buy a can of throttle valve cleaner (do not use carburetor spray cleaner!) from NAPA or Carquest (made by CRC chemicals) and spray it into the air intake while the engine is running, use up about 1/2 the can, engine will try to stall hold the speed up, shut it down and let it soak for 30 minutes, restart and blow out the remaining fluid, shut it down and disconnect the negative battery cable for 5 Min's to reset the base idle control

Aug 08, 2012 | 2002 Dodge Caravan

1 Answer

Air conditioner most of the time blows hot air, espesially after car is hot. Also the RPM of the car dont go up when airconditioner on


keep all the doors of car open for 4/5 minutes before you start driving ,
this avoids hot air blown when ac started.

Also AC runs on battery & compressor takes heavy current while starting & running to ,this causes RPM to go down.
Also check with local automaker for battery capacity remaining.

Jul 06, 2012 | 1995 Mazda Protege

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