If you don't mind the drive to El Cajon, go to Cunningham and ask for Natasha. Tell her you want Nick Owens to be your tech. He's an active BMWCCA member and works on a lot of the club M-cars. He'll take the time needed with your car and will give you a complete run-down of everything he did.
2013 Mineral White e92 M3 DCT ZCP
2012 Bluefire S1kRR Race ABS QS HG
2008 Sparkling Graphite e90 M3 6spd XXX