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robert 7/7/2010
1999 BMW 740i Base 8 Cyl 4.4L - Engine
bogs down if I try and punch it at the start and also at higher speeds if I try to accelerate quickly
If I am at a stand-still and want to punch it off the line it bogs down. It also does the same if I am trying to accelerate quickly at higher speeds.
1 Answer
  • marcus
    marcus 12/5/2010
    Look at your fault codes...first and cheap test is to clean or have your mechanic clean the MAF sensor (easy!) and see if there is a difference. probably a MAF sensor, but could be many things. Have the codes read!

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