Hello there and welcome to the BMW Car Club of America.

If you are a BMW CCA member, please log in and introduce yourself in our Member Introductions section.

97 740i

Discussion in 'E38 (1995-2001)' started by chibo62, Nov 3, 2008.

    chibo62 guest

    Post Count: 2
    Likes Received:0
    :confused:Hi to all the BMW lovers. I'm a new member. and i hope someone can help me out with my question on my car. just today got a service engine worning light came on, so i check it out and it said " misfire detected, catalyst damaging cyl. #8 and #7 "
    can anyone tell me what i need to do??? thanks,,,,,help:eek:
    • Member
    • Technical Service Advisor


    Post Count: 1,880
    Likes Received:16
    Take it to a shop. It is likely that you have bad coils, plugs, or plug connector boots on those cylinders. Very often, the valve cover gaskets leak oil into the plug wells causing them to fill with oil and lose conductivity when hot.
    cgate0313 likes this.

Share This Page