Help me out here? what is this battery thing ( registration ) with what? the car computer ?
So if you take out the battery and say get a sears diehard gold . what happens can someone
explain . will another battery work ( doesn't it just see a 12 volt power supply?
2011 550xi dk graph
2006 750li bk saph
2009 550i plat grey sold
1998 740il ox grn retired