M50b25 Stroker Build List

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  • hellrot325
    Noobie
    • Jan 2026
    • 1

    #1

    M50b25 Stroker Build List

    Hi all,

    I'm looking to stroke my M50 from a 2.5 out to a 3.0L. First off, I have an e36, and I know this is an e30 forum, but I have seen posts about this build before so I'm hoping I can get some information. My beamer is a '95, built 11/94 if that matters. I know I need an m54 bottom end, both crank and pistons. I plan on replacing the head gasket, head studs, piston rings, and probably bearings as well unless they're still good enough for my liking. Is there anything else I'm missing? I figure I'll probably need a tune as well to make it not run like shit, and maybe injectors too. This is going to be for an n/a build, so I'm not really worried about making it boost ready. I plan on using my stock m50 head and cams as well until I decide to upgrade those down the line. Will I need anything else to finish this build and make it run? Or is it as "simple" as replacing the bottom end internals>
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