Question about 2003 BMW 325

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My 2003 BMW 325i blower fan has a mind of its own. When the car is turned off the fan keeps running. Sometimes all night long? I have a similar problem as well. For some reason the blower on my 02 BMW 325i runs intermittent as well. Turn it on low it blows properly then high then low etc.. Even as you state it keeps running even after the key is switched off???? Any advise from anyone else having the same problems.....

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Bmw has a known issue with the resistor block. it controls the operation of the ac computer. i suggest to have it tested and replaced asap. it caused the socket and wires to melt in one of my friends car

Posted on May 30, 2009

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I have replaced everything on my cooling system and it continues to run hot

Posted on Aug 27, 2011


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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Do you mean the inside fan? if so it is the "fan resistor". Can order from or similar.

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HI, i have a 2000 323i and it sounds like we have a similar problem. my a/c works fine when the blower is going but some times it goes out of control and it's almost like it has a mind of it's own. and sometimes i turn off the car and the blower keeps blowing air even if the car is completely off and the keys are out.
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The blower in my 325i has interuptions in the air flow?

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May 23, 2009 | 2003 BMW 325

2 Answers

My 2003 BMW 325i blower fan has a mind of its own. When the car is turned off the fan keeps running. Sometimes all night long?

The problem would be what BMW calls the Final Stage Unit and parts house calls them Blower Resistor. Not sure why BMW and parts store calls them different.

Check out this BMW DIY post thats describes in detail the problem and how to fix it. Looking at about 80 bucks for the part.

Awesome post. Saved me a lot of time and money!!!!

Apr 05, 2009 | 2003 BMW 325

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2001 BMW 330i..Fan for AC/vent not working?

it's either a fuse or it's a bad blower motor, it could be a bad blower motor resistor but usually you'll get either high or low only, so if you have nothing on any speed, high low etc, and all the fuses are ok chances are it's your blower motor.

Jan 16, 2009 | 2003 BMW 325

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