piston ring gap for m50

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  • blueapplesoda
    E30 Mastermind
    • Dec 2005
    • 1904

    #1

    piston ring gap for m50

    Im putting the rings in right now. Block was just honed, not bored. I put the new rings into the bore and the end gap is measuring 2-4 thousandths over maximum specification.

    Can I use .25mm oversize rings and file them down to get the gap to close up? I've heard of this...just want to make sure I can do it before i spend $180 on another set of rings.

    Derek

    All-Red/MHW style Professional Tinted Tail lights
    PnP EMS, fuel injectors, wideband o2 systems
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