Question about 2003 BMW 330

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My aircon/heating fan just stopped working, is this a common problem, are the fans prone to failure / are they expensive to fix or replace?

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I have an 01 330ci and a similar thing happened to me... The dealership indicated that they have only ever replaced a handful of actual fans in these cars (and that they're tucked down deep in the dash...) but my issue was what they referred to as the "final stage unit." It was this bulky multi-pronged metal plug that went in behind the glove box. I believe it only cost me about $80-$90 from the dealership last summer. And I think only an hours labor from the mechanic I used.

Posted on Sep 08, 2009

  • shhourti Sep 08, 2009

    Sorry, not behind glove box.. but under the steering wheel area....

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Hi all. Yes this is a very common issue. 2 distinct issues in fact are common with the aircon.
1 you get fan on certain settings only. This is the resistor gone and johnjohn2 has identified the fix for this above. This is usually (although not always not intermittent and so you will usually lose all other settings over night and they don't come back
2 you get no fan activity at all. This starts to happen intermittently and then gets more frequent until the fans won't work at all. The fix for this is expensive through Citroen but cheap if you get the part off ebay. It is the ignition switch cable which has a fault. A very common issue. You need to remove the ignition switch and replace the cable from it. Work is not long but plugs can be tight and fiddly.
here is the link for the part
http://www.ebay.co.uk/itm/Ignition-Switch-Cables-Wires-PEUGEOT-206-CITROEN-XSARA-PICASSO-Lock-Barrel-Plug-/121038091531?pt=UK_CarsParts_Vehicles_CarParts_SM&hash=item1c2e6eb50b
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My heater has stopped working and ive checked the fuses and its not them what should i try next


Hi,
There is a blower motor resistor , located in the air duct coming from the blower assy. This will have 4/5 wires attached which determine the speed of the motor blower. This will determine the fan speeds depending on the resistor combinations selected. Sometimes the fastest blower speed will work because it has no resistance and gets full voltage.
You can also check the plug going into the fan assy , the plug may have reecieved a knock from a foot and become loose! A circuit tester will be a great help also . Good Luck

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Fix the fan problem, and the AC will work.

If the fan does not work at any speeds (lo, med, Hi). Then you have a blown fuse or wire disconnect.

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1 Answer

No heat fan not working


out on the fire wall next to the evap box there is a fan speed control modugle that is real prone for failure be ready it is a dealer item only if they can still get it and it is some what prices good luck kdc744

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