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X5 E70 (2007 - 2013)
E70 BMW X5 produced between 2007 and 2013. Discuss the E70 X5 with other BMW owners here.

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  #1  
Old 01-09-2012, 02:08 PM
johnmci johnmci is offline
Johnmci
Location: Scotland
 
Join Date: Dec 2010
Posts: 4
Mein Auto: X5
X5 electrical issue

My BMW x5 is resetting the computer and clock when I turn on the ignition.

Anybody experienced the same problem or know how to fix this?

It has been happening intermittently for about 6 weeks.

Regards

John
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  #2  
Old 01-09-2012, 08:25 PM
nachilus nachilus is offline
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Location: Maryland
 
Join Date: Sep 2008
Posts: 98
Mein Auto: 05' 745 & 01 740 IL Sold
Quote:
Originally Posted by johnmci View Post
My BMW x5 is resetting the computer and clock when I turn on the ignition.

Anybody experienced the same problem or know how to fix this?

It has been happening intermittently for about 6 weeks.

Regards

John
Could be the battery
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2007 X5 4.8 | Sport Package | Cold Weather Package | Premium Sound Package | Active Steering | Rear seat entertainment | Premium Package | Rear Climate Package | Technology Package | Comfort Access | Multi-contour seats w/lumbar | 3rd row seat | iPod and USB adapter | Running boards | 20" 214(s)

05 S55 ......sold
05' 745 .....sold
01' 740 .....sold
05 Yukon GMC
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  #3  
Old 01-10-2012, 08:05 AM
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quackbury quackbury is offline
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Posts: 4,181
Mein Auto: 535iX M Sport; 328i Wagon
What model year?

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  #4  
Old 01-10-2012, 10:49 AM
johnmci johnmci is offline
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  #5  
Old 01-10-2012, 01:30 PM
bluetec bluetec is offline
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Location: North of Houston, TX
 
Join Date: Dec 2011
Posts: 35
Mein Auto: 2009 X5 35d
The only time I have seen this was just recently over the Christmas holidays. I hardly drove the vehicle for 3 weeks. New Years day the clock reset to zero when I started. Next day I saw an orange warning light upon starting. Next day the clock reset again. I read all the battery threads around and became quite alarmed. I then drove the vehicle for several days (about 20 miles per day) and it has not returned. I haven't bought a battery maintainer but I am thinking about it. The only reason I haven't yet is because I had left a bluetooth adapter stuck in my OBD-II diagnostic port for the last 4 weeks and just noticed the light is on all the time (even at night locked in the garage).
I think your battery is probably discharged, and I would advise you to not continue to drive the vehicle without fully charging the battery either by driving or by a charger. I would drive it for an extended period for a few days or so to see if it doesn't go away normally (your alternator should charge it up). If you normally drive less than 20 miles per day, you may want to purchase a quality battery maintainer. Better brands to search for are CTEK, Battery Tender, BatteryMINDer. Cheers.
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