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Old 11-17-2018, 07:57 PM
hellspcangel911 hellspcangel911 is offline
Join Date: Jan 2014
Location: Northeast US
Posts: 40
hellspcangel911 is on a distinguished road
Battery Drain and Coding and Foxwell NT520

Hi All,
I have a battery drain, I have been chasing it for a few years, getting rid of it a while then it would come back - or something else would cause it.

I have a new alternator, battery, radio removed, new FSR and covered all the basics. Sometimes the '02 3.0 will go to sleep within 20 mins and sometimes it wont. I suspect a failing passenger front door latch.

I have two questions
1. If I open up BMW SCANNER and I remove the options such as the Alarm, tilt sensor... will that tell the GM5 not to energize those components, or if they are still connected but not coded for will it treat them as parasitic battery drains and therefore not go to sleep?

2. Is the FOXWELL handheld NT 510 or 520 scanner any help in tracking down the culprit or testing the door latches?

Many thanks,
2012 BMW 2012 X5 35D
2002 BMW X5 3.0l Auto (built 10/01)
2002 BMW 325i 5 spd
1989 BMW 535i 5 spd
1989 BMW 328is Auto
1987 BMW 528e Auto
1987 BMW 328iC 5 spd
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