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Thread: Bosch spark plug question

  1. #16
    MOA #24991 Pauls1150's Avatar
    Join Date
    Apr 2008
    south of Los Angeles
    For several of my past bikes, and my present 1150, NGK plugs have always surpassed Bosch for performance and longevity. My local O'Reilly Auto Parts can get them in two days (and they appreciate that I'll pay in advance just to prove that I really want them and I'll be back to pick them up).
    I've posted these charts before, but the recent forum upgrade may have nuked 'em, so here ya go.
    Attached Images Attached Images

  2. #17
    P Monk
    Join Date
    May 2005
    Orange, Texas

    still confused about which ngk?

    If you go to the ngk website, and look for bmw, 900cc it will recommend BP6ES plugs. Seems a perfect match according to the charts in the previous reply.
    I have used them since 1975 when Bosch plugs were not available with no problems.
    P. Monk
    74 R90/6 (the Black Hole) Harvey couldn't kill it. . 09 R1200 GS, drowned in Harvey replaced by 2011 R1200RT. Wife, 1953 model survived aplastic anemia and a bone marrow transplant.

  3. #18
    Rally Rat
    Join Date
    Apr 2006
    PSL, FL
    I've used thes guys before for lots of plugs

    They even list a number of different plugs for me trusty steed!

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