Question about BMW X5 Series

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The blower on my 03 x5 is running constantly and running down the battery

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  • BMW Master
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Locate the resistor in the Blower system...this has to be defective to allow current to continue to the Blower after the Key is off...Your parts store might be able to help you locate. Hope this helps.

Posted on Apr 22, 2013

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  • BMW Master
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Could have faulty heater blower control switch or heater blower control module faulty.

Posted on Apr 22, 2013

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Any help garage fitted a new battery on my x5 e53 03 now none off the electrics work central locking windows. wipers ect and alarm keep going off too


Check the battery connections to make sure they are all tight.
It sounds like a cable was left loose and the contact is not constant.
Just grab the terminal connections one at a time and shake/twist them a bit to see if they are loose.

Dec 28, 2016 | Cars & Trucks

1 Answer

My 2008 X5 has recently stalled a few times when at a stop sign and wont restart for 20-30 minutes. I have narrowed this down to happening ONLY when the AC is running. Any ideas?


This is a long shot, but try this. It may be that your battery is very low on fluid (acid water). The car runs off the battery with the alternator constantly charging it. If it is too low on acid fluid it will not take enough charge. At highway speeds the alternator will put out more amperage and compensate for the weak battery. When the engine is a idle or low RPM the alternator charges less. The AC unit draws current from the battery. AC draw may just enough to overwhelm the weak battery and kill the engine. After the car sits for a little while it is able to crank the engine, partly because the starter, when cool, draws less current. Check the acid/water level in the battery and if adequate, have the battery checked for a dead cell.

Oct 11, 2016 | 2008 BMW X5 3.0si

2 Answers

HOW TO GET TO FUSE BOX UNDER GLOVE BOX ON 2003 BMW X5


  • You have to open the glove box and turn the two finger switches 1/4 turn.
    If the blower isn't working its probably not the fuse anyway. The part you need to replace is the fan speed resistor.

Aug 12, 2014 | 2003 BMW X5

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

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

Heater won't go off


Hi,

If you're referring to the heater "FAN" running continuously, then its likely to be your blower motor resistor.

The heater blower motor (under the dash) has constant power supplied from the battery, but is controlled by the blower "resistor" - usually mounted on the blower motor assembly. If one or more of the blower resistor coil wires are faulty, the motor will either not work on one of the fan settings, or will constantly run by itself.

Jun 08, 2011 | 1984 Mercury Grand Marquis

1 Answer

Rear a/c remaining on when engine is off


999999995.gif Service VME - HVAC Blower Continues To Run with Key Off SERVICE VME Some 2003 Full-Size Pickup / Utility A/C blower motor continues to run even when the key is removed from the ignition. The root cause is an internal failure within Linear Power Module ( LPM ) or also known as the Blower Motor Control Processor. The service fix is to replace the LPM (P/N 52495874).
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Models: (03 CHEVROLET FULL SIZE PICKUPS AND UTILITIES) and (03 GMC FULL SIZE PICKUPS AND UTILITIES) and (03 CADILLAC FULL SIZE UTILITIES)

Aug 25, 2009 | 2003 GMC Yukon

2 Answers

BMW X5 Battery Drain.


hello theringbar, I would recommend checking the a/c blower resistor. it is an electronic final stage and can kill the battery overnight. the final stage is located on the passenger side at the back of the a/c heater box.

Mar 26, 2009 | 2003 BMW 5 Series

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