I had the codes read at Advance Auto Parts and only one showed up: P0102 MAF or VAF, Circuit Low Input. I'm not sure what this means but I do know that MAF means Mass AirFlow sensor and that scares me because I've heard that they're high in price. Anyway, so I called a BMW dealer and the service advisor said that after sitting for a week or so, something could have been sticking and causing the 3.0 to start and then shutdown, as to not damage anything. Anyway, Advance Auto Parts reset the computer and the SES light went away and hasn't come back on within the last few cranks. The BMW service advisor said that it probably was just a fluke after sitting for a while and that if it happens again, the SES will come back on and then I'll know that it's something that needs to be rectified, but otherwise, he said not to worry unless this happens again. A similar incident happened to me with my former vehicle, a 2003 Expedition; it only happened ONCE and never occured again in the subsequent 2 1/2 years of ownership, so hopefully this is the case with my X5.