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Deleting Auxiliary Water Pump?

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    #16
    Looking at the FSW_PSW.pdf, ZUSATZWASSERPUMPE(Auxilary water pump) to nicht_aktiv looks like the only change needed. Can any one else confirm? Gonna code it tonight. Been a year without it but like everyone else, doubt they'd code it and have it not do much.
    '06 IB/BLK 6SPD PN66072

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      #17
      Originally posted by e46mpwrd View Post
      Looking at the FSW_PSW.pdf, ZUSATZWASSERPUMPE(Auxilary water pump) to nicht_aktiv looks like the only change needed. Can any one else confirm? Gonna code it tonight. Been a year without it but like everyone else, doubt they'd code it and have it not do much.
      I can confirm myself. This is all that is needed.
      '06 IB/BLK 6SPD PN66072

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        #18
        Bumping this thread up...

        Unlike non-M cars, the cooling system on ours is self-bleeding. Does deleting this aux water pump affect this at all?

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          #19
          Originally posted by repoman89 View Post
          I'm running it as well, coded it as described in Obioban's diy on the old forum. Works fine and clears the CSL airbox. I even snipped off the extra plug. Anyone know the other endpoints of those wires by the way? I'd like to pull them ...

          Edit: One wire ends pin 6 on the plug on the back of the heating controls:

          The other makes its way to fuse 62 in the glovebox, but so does the water valve wire, and they're the same colors ... and it's unclear where they join based on the wiring diagram.
          The other wire (water pump B+) does go to the fuse box, it is in the same fuse location as the valve. The pump terminal goes into the fuse box and has a tab that sticks up. There is a second slot above the primary and the valve terminal goes into there and clips onto the tab. To remove it you have to completely disassemble the fuse box, remove the valve and pump terminal then reinstall the valve terminal in the lower slot.

          *If you just cut the terminal off in the engine bay that wire will 100% be hot, just a fyi.


          '09 HP2S, '12 R12GSA, '00 Black 323iT, '02 Alpine 325iT (Track Wagon), '02 Alpine 330iT
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