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Thread: NGK BKR6 EQUP for the s50b32? according to TIS..

  1. #1
    Join Date
    Jan 2007
    Location
    Lebanon
    Posts
    487
    My Cars
    E30 M3 S50B32

    NGK BKR6 EQUP for the s50b32? according to TIS..

    Hey guys,
    i just noticed in the TIS that the recommended plugs for s50b32 is NGK pkr7a, but on the lower line it says


    NGK BKR 6 EQUP (High Power) ECE as of 9/98

    I'm wondering what that's about. Being a 6 number plug it runs hotter than the pkr7a

    https://www.newtis.info/tisv2/a/en/e...-plugs/6q53qlz
    1987 BMW M3 S50B32 engine swap

  2. #2
    Join Date
    Jan 2007
    Location
    Lebanon
    Posts
    487
    My Cars
    E30 M3 S50B32
    definitely not for the s50b32, i compared specs page
    https://www.ngk.com/product.aspx?zpid=9948
    https://www.ngk.com/product.aspx?zpid=9344

    the thread sizes dont match 12mm vs 14mm


    Does anyone know a 1 step hotter replacement plug for the s50b32?
    1987 BMW M3 S50B32 engine swap

  3. #3
    Join Date
    Nov 2002
    Location
    Washington, DC
    Posts
    6,281
    My Cars
    E30 E36 E46 E90
    IIRC, the NGK DCPR*EIX plugs will fit. You have a larger heat range there, and they are way cheaper than the weird PKR7A.
    2006 GMC Sierra 2500HD - 4WD Duramax LBZ/Allison 6-speed
    2002 BMW M3 Alpinweiß/Black
    1999 323i KP/GTS2 Alpinweiß
    1995 M3 Dakargelb/Black - S50B32/S6S420G/3.91
    1990 325is Brilliantrot/Tan
    1989 M3 Alpinweiß/Black - S62B50/S6S420G

    Hers: 1996 Porsche 911 Turbo Black/Black
    Hers: 1988 325iX Coupe Diamantschwartz/Black 5spd


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