Originally Posted by David328M-Sport
For those with the above valid concern, you could buy and install tune after warranty period finishes if it is a problem for anyone. No need to return to the dealer for service. Have SouthernBM (Melbourne) or your State's equivalent independent look after servicing from that time. Put any tune on the car you want with and without flags. Tuning's what SBM specialise in anyway and work very closely with BMW DE. Problem solved. Easy.
I'm not sure there was a problem to solve, but I'll give you +1 internet points anyway.