FS: S50B30US/S52B32 valve springs/retainers (2 sets)

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  • 2.5-12
    E30 Mastermind
    • Jan 2010
    • 1814

    #1

    FS: S50B30US/S52B32 valve springs/retainers (2 sets)

    I have two sets of S50US/S52 valve springs and retainers.

    $60 shipped per set to lower 48.

    I can grab pictures if you want, but they're pretty standard :)

    Thanks!
    -Erik
    1991 E30 M3 Brilliant/black - S54B32/5M
    1990 E30 318iT RHD Lagunagrun/tan - S52B32Turbo/5M
    2011 E82 1M VO/blk/6M
    1991 E31 850i red/grey/6M
    1997 F355 spider red/tan/6M
  • drumad
    E30 Mastermind
    • Aug 2009
    • 1700

    #2
    hope this isnt too off topic... but these are considered stronger than the standard m5x springs correct? I ask bc I just purchased s50 cams and this subject never really came up too often when discussing m3 cam swaps.
    2008 335i - n54b30
    1991 318i - m52b28
    1994 fzj80 - LAND CRUSHER

    Comment

    • 2.5-12
      E30 Mastermind
      • Jan 2010
      • 1814

      #3
      the springs are much stiffer and respond faster than the M5xTU springs, and they're very comperable to the double valve springs in the M50NV although these retainers are much narrower and can take the revs better, along with having a lot less mass in the valve train.

      these are also a must for cammed M50/M52s as stock setups dont like extra lift, or extra revs.
      1991 E30 M3 Brilliant/black - S54B32/5M
      1990 E30 318iT RHD Lagunagrun/tan - S52B32Turbo/5M
      2011 E82 1M VO/blk/6M
      1991 E31 850i red/grey/6M
      1997 F355 spider red/tan/6M

      Comment

      • 2.5-12
        E30 Mastermind
        • Jan 2010
        • 1814

        #4
        I still have two sets of these.
        1991 E30 M3 Brilliant/black - S54B32/5M
        1990 E30 318iT RHD Lagunagrun/tan - S52B32Turbo/5M
        2011 E82 1M VO/blk/6M
        1991 E31 850i red/grey/6M
        1997 F355 spider red/tan/6M

        Comment

        • lbreevesii
          E30 Addict
          • Aug 2009
          • 412

          #5
          Might want to provide info on what month/year prod they came from since there is that issue with early ones.
          I don't always wreck cars, but when I do I wreck them into trees.

          91' 318is S50 swap - The Black Widow

          Comment

          • 2.5-12
            E30 Mastermind
            • Jan 2010
            • 1814

            #6
            all from an S52.

            none are from an early S50US.
            1991 E30 M3 Brilliant/black - S54B32/5M
            1990 E30 318iT RHD Lagunagrun/tan - S52B32Turbo/5M
            2011 E82 1M VO/blk/6M
            1991 E31 850i red/grey/6M
            1997 F355 spider red/tan/6M

            Comment

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