Question about 2001 BMW 325

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Heater not blowing hot air E46

I have found out that i need to change the actuator and the final stage unit part no:64116920365. but where is this part located and how do i access it to replace it

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  • greatbloke29 Feb 20, 2009

    i have had this for sometime now and i can't figure out whats wrong with it. Although i do now know that both Hose pipes leading to the Heater matrix are Cold all the time. The Car temprature and the hoses near the radiator are piping hot. I have changed the termostate, i know the Headgehog unit is working fine as only the Heat doesn't come out of the vents. I have bleed the car and completley flushed the coolent twice. Nothing is helping.. what a nightmare!

  • mark brown
    mark brown May 11, 2010

    Is the part you refer to also know as the heater resistor?

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I recently had a problem where the car was not blowing air into the cabin. I Changed the final stage resistor (also known as the "hedgehog")and all is good. its located in the driver footwell, remove the panels under the steering wheel, and you will see it stuffed up in the top left corner.

Posted on Dec 14, 2009

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