Piston Compression Check

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  • RobertK
    Kicked cancer's ASS.
    • Jun 2005
    • 5864

    #1

    Piston Compression Check

    Does anyone happen to know what the compression should be for a 325i engine? Doing a compression check and I'm trying to find out what the general numbers should be along with the tolerance between pistons.
  • nando
    Moderator
    • Nov 2003
    • 34827

    #2
    there's a range listed in the bentley, don't remember exactly off the top of my head but it's ~150 psi +/- 5psi or so.
    Build thread

    Bimmerlabs

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    • RobertK
      Kicked cancer's ASS.
      • Jun 2005
      • 5864

      #3
      Once again nando thanks for the quick response. I picked up a Bentley manual at lunch so I can have something to reference too instead of posting so many thread questions.

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