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Re: Non BMW replacement battery for E53 - Check vent holes.
Posted: Wed Jan 07, 2015 6:02 pm
by X5Sport
Main power, accessory power, explosive knife trigger (cuts the main cable in the event of an accident but leaves accessory cable running for telematics).
The condensate is water but you also get hydrogen gas which is why you need to vent.
Re: Non BMW replacement battery for E53 - Check vent holes.
Posted: Wed Jan 07, 2015 6:34 pm
by X5-D-Sport
Good question "smee-again".
What is all that junk on top of the battery. ?
** I'm wondering if it is a small battery back up to keep the computer data safe if the battery is changed/swapped out ?
AND
Can the X5 battery be swapped out without losing settings, memories & data ?
Re: Non BMW replacement battery for E53 - Check vent holes.
Posted: Wed Jan 07, 2015 8:24 pm
by X5Sport
No there isn't a power pack. It's the pyro system and connections.
Yes you can if you plug a 12V source in. My CTEK MXS10 can act as a 10A supply. With the car 'asleep' I connected it to the charging points under the bonnet and then changed the battery in the boot. Lost nothing.
Richard
Re: Non BMW replacement battery for E53 - Check vent holes.
Posted: Fri Jan 09, 2015 8:00 pm
by X5-D-Sport
Thanks Richard.