M20 Throttle Body/TPS

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  • Idrisu
    Advanced Member
    • Jul 2015
    • 173

    #1

    M20 Throttle Body/TPS

    Figured the TPS was bad because of horrible idle. When going to replace it I see that its just hanging there. I believe that it mounts onto the throttle body but there is no mounting spot. Any idea? I hope I don't have to buy a new throttle body.

  • Gregs///M
    Forum Sponsor
    • Mar 2012
    • 2459

    #2
    The mounting boss on the throttle body is broken off. I suggest you replace both the TPS and the throttle body. Yes, it will make a huge difference.
    Owner - Bavarian Restoration
    BMW and European Electronics Repair and Restoration
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    • YosemiteSam
      E30 Fanatic
      • Apr 2011
      • 1303

      #3
      Yeah, that's bad.
      sigpic

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      • jeffnhiscars
        R3V OG
        • Jun 2011
        • 6010

        #4
        Looks like someone tried to pry it off without unscrewing it. Unfortunate
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        • ForcedFirebird
          R3V OG
          • Feb 2007
          • 8300

          #5
          Originally posted by jeffnhiscars
          Looks like someone tried to pry it off without unscrewing it. Unfortunate
          Definitely can see this. BMW hid the mounting screws so that the TB has to come off to change or adjust the TPS. Looks like they tried replacing the TPS without removing the TB.
          john@m20guru.com
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