AFM Internal Gear Setting

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  • yitzac1990
    Noobie
    • Feb 2026
    • 16
    #1

    AFM Internal Gear Setting

    I was cleaning up my AFM and accidentally loosened the clip holding the large black gear in place. It did not move much, but not sure i got it back on the correct cog. Can anyone tell me which setting it needs to be at?

    Click image for larger version Name: 20260204_190735.jpg Views: 105 Size: 265.5 KB ID: 10155225

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    Attached Files
    1991 325ix
    Tags: None
    • noid
      E30 Mastermind
      • Feb 2008
      • 1535
      #2
      Follow this to get it back to factory:

      How to test E30 Bosch AFM (Bench test) | RTSAUTO.COM
      https://www.rtsauto.com/how-to-test-e30-bosch-afm-bench-test/
      Bench test an E30 Bosch AFM the correct way with an oscilloscope - find carbon strip wear that multimeters miss.
      Your resource to do-it-yourself and interesting bmw and e30 stuff: www.rtsauto.com

      Your resource to tools and tips: www.rtstools.com

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        • yitzac1990
          Noobie
          • Feb 2026
          • 16
          #3
          Perfect, thank you!!
          1991 325ix

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