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Batteries and Holidays

Discuss your latest mods or ideas, and anything to do with the BMW X5 (E70).
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NehalX5
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Batteries and Holidays

Post by NehalX5 » Sat Aug 05, 2017 2:52 am

Sorry for posting at stupid o'clock.

We are going away for the rest of August this Sunday. That's 25 days of the car sitting unused. The XC90 is a car with little requirements to disconnect the battery (just pull the cables off the battery). Is it the same for the X5? How is it accessed? Will there be any issues with reconnecting it?

Thanks
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Alan Gunn
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Re: Batteries and Holidays

Post by Alan Gunn » Sat Aug 05, 2017 6:11 am

The battery on the x5 E70 is in the boot under the floor and under the storage/tool tray.
Last edited by Alan Gunn on Sat Aug 05, 2017 6:14 am, edited 1 time in total.

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lezmtaylor
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Re: Batteries and Holidays

Post by lezmtaylor » Sat Aug 05, 2017 9:31 am

Is there jump start posts under the bonnet ? If  there are you, can use them for your battery charging points,
See you handbook for more info.
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Re: Batteries and Holidays

Post by X5Sport » Sat Aug 05, 2017 4:46 pm

E70 battery is under the black cover just inside the tailgate, left side of that cover.  25 days should be OK, but that depends upon any other systems using it and its condition.  You could leave a conditioner connected - if you have main available - under the bonnet at the charging/jump points.
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NehalX5
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Re: Batteries and Holidays

Post by NehalX5 » Sat Aug 05, 2017 11:13 pm

I have read that the battery failing resets lots of memory functions in the car. I don't have access to mains chargers to attach a battery conditioner. I think it may be ok to just leave it for the time being seeing that the x5 has a battery conserving mode when the car is off (unlit start/stop button). However, when we bought it the car showed the 'high battery drain' message a few times but then went away, and haven't seen it since. Should it be ok to just leave then?
BMW E70 X5 3.0sd | M-Sport | 7 Seats
Audi A6 C6 3.0TFSI Quattro S-Line tiptronic
Citroën C1 1.0 VTR
BMW E39 528i SE Manual

Horizon
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Re: Batteries and Holidays

Post by Horizon » Sun Aug 06, 2017 7:13 am

The battery failing does reset a few things, but only the same as disconnecting the battery. Also a flat battery will then need totally removing carrying back to somewhere to recharge it and then back to the car to reinstall it. Just disconnecting the negative terminal is a lot easier..
Also the other alternative would be to jump start the car , which is to be avoided all all costs, as this can fry modules
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