View Single Post
      01-17-2013, 07:26 AM   #18
HighlandPete
Brigadier General
56
Rep
4,683
Posts

 
Drives: BMW F11 535i Touring
Join Date: Mar 2007
Location: Scotland, Highland Region

iTrader: (0)

Quote:
Originally Posted by IanS100 View Post
I tried my 320d e90 yesterday, ignition / engine off but after a couple of minutes hovering my hand over the screen outlets, the jet of subzero air had turned my fingers blue & I was on the way to frostbite, so I'm guessing there's no heater on my 2010 M Sport Plus!
Engine off.... this is a high demand function and will be governed by the energy management system.

I don't know the exact command strategy, but it is regulated (amidst other criteria) for under/over voltage, so can't imagine it is even available without the engine running.

HighlandPete