Was there an OBD1 version of M52 in US

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  • Jean
    Moderator
    • Aug 2006
    • 18228
    #1

    Was there an OBD1 version of M52 in US

    I was browsing through realoem and noticed a 328 coupe with M52 listed for 05/94 and 06/94. Were these OBD1 or OBD2 ?
    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
    Tags: None
    • e30_kid89
      E30 Addict
      • Apr 2006
      • 489
      #2
      No there wasn't, All M52's were OBD2 in the US. However the early m52s still had the hole in the head for the 2 - temp sensor thingy like the OBD1 m50/s50s.

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        • Jean
          Moderator
          • Aug 2006
          • 18228
          #3
          Thanks!
          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

            • BigD
              E30 Enthusiast
              • Jul 2006
              • 1085
              #4
              Originally posted by e30_kid89
              No there wasn't, All M52's were OBD2 in the US. However the early m52s still had the hole in the head for the 2 - temp sensor thingy like the OBD1 m50/s50s.
              Yeah, I think the whole point of the M52 family was to shut the US up with their new OBD2 standard and maintain the same power. So they just threw on the extra emissions shit and jacked up the displacement (2.5 to 2.8 and 3.0 to 3.2).

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