Thanks for the detailed response. Do people here think that are throttle lag has to do anything with spark plugs? My basic research online is showing that lack of acceleration when hitting the gas pedal maybe a sign of a faulty spark plug.
What do you all think? I never got a code for a spark plug, am I over worried about this? Like the previous posted menionted they are recommended for 100k miles. I only have 30k miles on my 09 128i vert
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