lifeinstyle Posted January 27, 2009 Report Share Posted January 27, 2009 hi all, I am about to installing F500bt on my e90, and i just have quick Qs about the wires. in the manual, it says the Yellow Wire(battery cable) need to be connected to a permanent 12volt from the battery. My question is if i do so, wouldn't it cause battery drain? i just want to make sure... thank you. Quote Link to post Share on other sites
jmmorgan82 Posted January 27, 2009 Report Share Posted January 27, 2009 If you have to ask that question are you sure you want to install this yourself??? j/k. It pulls a very negligible amount of power. I went to Cancun for a week and a half, came home, truck started right up. You will be ok. Quote Link to post Share on other sites
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