Quote:
Originally Posted by IanS100
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!
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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