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Thread: 2001 e39 525i

  1. 10-16-2017, 06:37 PM #1
    James3791's Avatar
    James3791
    James3791 is offline Member
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    2001 e39 525i

    Location of fuse or relay to the auxiliary water pump??

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  2. 10-16-2017, 08:04 PM #2
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    bmwdirtracer
    bmwdirtracer is offline Member BMW Tech Expert
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    No fuse, no relay. Pin 9 of the X18341 connector of the IHKA (A/C & Heating control module) delivers power directly to this pump. The ground is in the left front of the engine compartment.

    (Blue/green wire; this is a 26 pin connector.)
    Last edited by bmwdirtracer; 10-16-2017 at 08:05 PM.

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