M50S32 euro specs pistons and roads on M54 crank ?

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  • MclubSport
    Advanced Member
    • Oct 2013
    • 170
    #1

    M50S32 euro specs pistons and roads on M54 crank ?

    Hello. Can I put M50S32 euro specs pistons and roads on M54 crank ?
    Anyone tried this? Rods diameter : S50 51mm and M54 48.01 mm ( big side/crank side ). Is it true ? Also the rod from S50B32 has 139mm and M54b30 rod has 135 mm
    Now I have M54 crank , pistons and rods in M50 NV block...
    Last edited by MclubSport; 01-09-2016, 07:51 PM.
    Tags: None
    • Nisse Järnet
      E30 Fanatic
      • Aug 2013
      • 1221
      #2
      I don't think Euro S50 parts works with M5X engines.
      E30 325ix M50 turbo 7 spd DCT 4wd 840awhp @ 31 psi.
      E30 M50 6 spd 764whp @ 24psi.
      E30 M20 6 spd 675whp.

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        • kronus
          R3V OG
          • Apr 2008
          • 13000
          #3
          the hell is a m50 s32
          cars beep boop

            Comment

            • digger
              R3V Elite
              • Nov 2005
              • 5900
              #4
              Big end diameter is not compatible, pistons are bigger bore thus need a big overbore and the little end pin is 21mm vs 22mm on the 135mm rod m50/m54 so need to be rebushed to suit s50 piston.

              most just use the rotating assembly from m54 into m50. not sure on deck height differences etc
              89 E30 325is Lachs Silber - currently M20B31, M20B33 in the works, stroked to the hilt...

              new build thread http://www.r3vlimited.com/board/showthread.php?t=317505

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