BMW 3-Series (E90 E92) Forum - View Single Post

sylonien · 01-12-2013, 06:14 PM

I have 12v in boot, but that one doesn't provide power when ignition is on position, only if the car starts then its 'live' to charge.

Charging depends how flat the battery is. Normally 3-5 hours should do. But depends on your charger.

01-12-2013, 06:14 PM	#6
sylonien Lieutenant Drives: M3 E92, 335i E92 (Sold) Join Date: Apr 2012 Location: UK Posts: 528 iTrader: (0)	I have 12v in boot, but that one doesn't provide power when ignition is on position, only if the car starts then its 'live' to charge. Charging depends how flat the battery is. Normally 3-5 hours should do. But depends on your charger.