I am kind of ruling no for the JB4, coming down to Cobb AP or Dinan...

Thanks Paul, I know and I am looking into the piece of mind! But I got to accept I like the map changes on the fly as well! So it is hard...

I thought I would ask here and hope I am posting in the right area!!! I have a 2009 335i Sport Sedan and was looking to add the power package from BMW Stage 1... But I keep hearing to simply go with...