Hi Andreas,
Seems to be an issue with the S4 aero having spoken to a couple of other owners away from the forum. I took the car to my local BMW dealer yesterday and after speaking to the factory they managed to communicate with the car. The error message appeared totally random relating to the fuel venting line on an M3.
Having spoken to the factory I've been told that as long as its running okay it should be fine. So I'll continue to use the car and get it to the factory when I can.
One of the owners I've meet through the aero club told me that the engine management light on her car has been on almost constantly. Hopefully the factory will have this resolved before Supersport production get into full swing.
