Originally Posted by ducman
If you get the solar tender with the cigarette lighter adapter ... will that charge our car battery?
Our cigarette lighter is not powered after the car is turned off. My understanding is no power out = no power in.
'08 E90 M3 - Alpine White - Sold
'13 E92 M3 - Silverstone II - Sold
'04 E46 M3 - Jet Black - BBS E88, KW Clubsports, Brembo BBK, SuperSprint Exhaust, Recaro
'15 i3 - Laurel Gray - Why would I mod this thing?