Hope you managed to get this taken care of but would love to hear what the solution was. I am sure others in similar situations would benefit as well.
Mine was software related it appears. My cold start problem is now gone as Zak@Active very promptly took care of the software.
2014 M5 Competition Alpine/Sakhir
BMS Tune. Undercover Performance Custom Downpipes & Connector. H&R 10mm Spacers. BMW CF Rear Spoiler. IND Cosmetics. ALP & BEL Radar & Laser.
2011 Space Grey E92 M3 AA Gen 2 Lvl 3 586whp 398wtq SAE (sold)