I'm booked in for first week of April.
FYI, my last reflash took the dealer about 6 hours although he was doing other things to the car at the same time.
2006 E90 330i (retired)
2009 E90 335i (retired)
2012 E70 X5 50i M Sport, JB Stage 1, 4.6 secs 0-60.
2015 VW GTI LP PP