M30 Afm

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  • JoeMadoo
    E30 Modder
    • Aug 2006
    • 936

    #1

    M30 Afm

    I have a 735i sitting in my driveway, figured why not throw the air flow meter into my 325es. It even has the famous "027" part number that everyone says you dont have to change the internals on. So i did a little clever tubing and starter her up (no vacuum leaks). Ran ok for about a second, than ran like shit. It was spewing out black smoke so it must have been running super rich. Anyone know why that is? If anything it should be running lean right?
    '86 E30
    '05 E53 X5
    '72 Firebird
    '10 Prius
    '03 Tundra
  • oldskool3
    E30 Addict
    • Mar 2005
    • 401

    #2
    You might have to adjust the afm. Just pop off the black cover, unscrew the screw holding the spring in place and adjust it a few clicks at a time and make sure you mark the original placement.
    Photoshop by O 16581 72452 5

    Comment

    • e30_325es
      E30 Fanatic
      • Feb 2005
      • 1249

      #3
      It doesn't swap right into etas. Only I's.
      Your signature picture has been removed since it contained the Photobucket "upgrade your account" image.

      Comment

      • 92 mtechnic cabrio
        Honesty is not the best policy!
        • Dec 2003
        • 4907

        #4
        Originally posted by e30_325es
        It doesn't swap right into etas. Only I's.
        Didn't work on my car either. 027, out of a 735
        R.I.P 07/01/09 - 04/23/10 :(

        Comment

        • JoeMadoo
          E30 Modder
          • Aug 2006
          • 936

          #5
          O shit. is there a way to adjust it so it will work or do i have to swap the internals.
          '86 E30
          '05 E53 X5
          '72 Firebird
          '10 Prius
          '03 Tundra

          Comment

          • euroshark
            No R3VLimiter
            • Apr 2006
            • 3491

            #6
            You do not have to unscrew anything to adjust the AFM, in fact, unscrewing the screw that holds the spring in place can be risky. Just carefully move the gear with a small flat screw driver or a knife, very simple.
            '88 528e /// '88 M5 /// '89 951 /// '98 E430 /// '02 M5

            Comment

            • JoeMadoo
              E30 Modder
              • Aug 2006
              • 936

              #7
              Is it easy to move back into place to use with the M30 engine?
              '86 E30
              '05 E53 X5
              '72 Firebird
              '10 Prius
              '03 Tundra

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