325i expansion tank

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  • ChaseN
    Mod Crazy
    • Aug 2008
    • 709

    #1

    325i expansion tank

    Quick question - how does the 325 expansion tank (the one that is mounted on the driver's side fenderwell) mount? I'm putting one in my M3, and the only thing I can come up with is that maybe there is a bracket welded in on the 325s that I don't have. Can anyone confirm or deny?

    Thanks!

    Chase

    EDIT: Also, on 325s with cruise control, where is the cruise unit itself mounted? Mine is currently smack dab where the tank needs to go.
    Last edited by ChaseN; 03-17-2010, 05:06 PM.
    1991 318iS
    1992 911
    2006 330i 6-Spd ZSP people hauler

    Gone:
    1989 M3 S50B32, 6-Spd
    1990 325ix 5-Spd

  • ChaseN
    Mod Crazy
    • Aug 2008
    • 709

    #2
    Anyone?
    1991 318iS
    1992 911
    2006 330i 6-Spd ZSP people hauler

    Gone:
    1989 M3 S50B32, 6-Spd
    1990 325ix 5-Spd

    Comment

    • Jean
      Moderator
      • Aug 2006
      • 18228

      #3
      With a little bracket that snaps into the bottom of the expansion tank. The plastic bracket #10 sits on a stud.

      Did you try looking on realoem?

      http://www.realoem.com/bmw/showparts...06&hg=17&fg=05

      Part #10 - 17111719190 holds the expansion tank.
      Mtech1 v8 build thread - https://www.r3vlimited.com/board/sho...d.php?t=413205



      OEM v8 manual chip or dme - https://www.r3vlimited.com/board/sho....php?p=4938827

      Comment

      • FredK
        R3V OG
        • Oct 2003
        • 14741

        #4
        Yes. There is a bracket welded near the ABS pump that holds the late model M20 coolant expansion tank. It is the same bracket as the one that secures the windshield washer tank.

        PN is 41141871979

        There is also a weld screw that a plastic part mounts to, similar to the one that secures the windshield washer tank that holds the rear of the tank down. I have not been able to track down a PN for the weld screw. Jean has supplied the PN for the rear mount.

        I'm not sure how the cruise control mounts.

        Comment

        • ChaseN
          Mod Crazy
          • Aug 2008
          • 709

          #5
          Thanks guys. I looked on RealOEM and saw 17111719190 but I also suspected there was another bracket that mounted it as well. The PN that Fred gave was what I was missing.

          Still wondering about the cruise if anyone knows.

          THanks!
          1991 318iS
          1992 911
          2006 330i 6-Spd ZSP people hauler

          Gone:
          1989 M3 S50B32, 6-Spd
          1990 325ix 5-Spd

          Comment

          • SpecM
            R3V Elite
            • Oct 2005
            • 4531

            #6
            both my '88 s-eta and my '89 325i have criuse, and they both mounted to the same bracket the airbox does, via the same stud and nut too.
            1989 cirrisblau-metallic 325i

            Comment

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