1st Gen R50 Cooper Most liked posts in thread: P2097-Post Catalyst Fuel Trim System Too Rich.

  1. wmwny

    wmwny Well-Known Member

    May 29, 2009
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    #2 wmwny, Jul 1, 2016
    Top off [or fill up] with regular gas and see what happens? for sure, it won't be "too rich" then, but, as you can see, yo no se nada! :devil:
     
  2. M1N1

    M1N1 Well-Known Member

    Jan 5, 2014
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    #3 M1N1, Jul 15, 2016
    Fitted new post-cat O2 sensor, and had a buddy use his BMW tool to reset the adaptations. All good now.