Even if it can be done without causing nuisance problems with the electronics, using it in the cold weather is very bad for the engine. Leaving a car idling in the cold is hard on it, and can cause consequential damage. Just look at all the oil separator problems caused by not warming the engine up fully.

__________________
2007 X3 3.0si, 6 MT, Premium, White

Retired:
2008 535i, 6 MT, M Sport, Premium, Space Grey
2003 X5 3.0 Steptronic, Premium, Titanium Silver
2002 325xi 5 MT, Steel Grey
2004 Z4 3.0 Premium, Sport, SMG, Maldives Blue