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    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

    #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

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      #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.

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        #4
        Originally posted by e30_325es View Post
        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 :(

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          #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

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            #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

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              #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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