1st Gen R50 Cooper Most liked posts in thread: R50 spark plugs

  1. wmwny

    wmwny Well-Known Member

    May 29, 2009
    4,048
    2,246
    113
    Male
    Retired
    Piqua, Ohio
    Ratings:
    +2,810 / 10 / -0
    I used to have Iridiums and went back to OEMs...not a single problem since.
     
  2. Crashton

    Crashton Club Coordinator

    Jun 4, 2009
    19,445
    10,057
    113
    Retired old fart
    Hooterville Ohio USA
    Ratings:
    +11,698 / 2 / -0
    For my money the OEM plugs work well. I'd stick with them.