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#1
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Flat Battery - How best to avoid ?
This I thought, was the best way to leave it when not in use, without the alarm being activated, as my experience with my last E53 proved, which suffered a simial problem but it hasnt worked for this E70, something must have been draining power. I did leave the lights set to auto, but I hardly think that is the cause. Aside from pulling the battery out, charging it, then doing a heavy discharge test on it to see if its retaining power, any ideas/known issues ? |
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#2
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__________________
An unwavering defender of those I see worth protecting. "promote the general welfare, not provide the general welfare" We the People of the United States, in Order to form a more perfect Union, establish Justice, insure domestic Tranquility, provide for the common defence, promote the general Welfare, and secure the Blessings of Liberty to ourselves and our Posterity, do ordain and establish this Constitution for the United States of America. |
#3
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It's a common problem.. use the search function for "excessive drain" and you'll find some threads with additional useful information including a BMW SIB on it.
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Fastbuck 2009 F01 7 Series 3.0D SE Saphire Black/ Oyster 2008 E83 X3 2.0D SE Montego Blue/ Black 2007 E70 X5 3.0D SE Space Grey/ Beige - SOLD 2006 Land Rover Freelander Sport TD4 Zambezi Silver/Black - SOLD 2005 W203 C200K Sports Coupe Jasper Blue/Artico Black - SOLD 2004 W211 E320 CDI Avantgarde Brilliant Silver/Alpaca Grey - SOLD 2001 E39 530i SE Crystal Green/ Beige - SOLD |
#4
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I got the excessive battery drain message and took it to the dealer. They performed the tests suggested by the SIB but didn't find a fault (they updated everything while they had it anyways). Their conclusion was that I was not driving it enough as I mostly drive stop and go for short distances.
Their recommendations were (1) to drive the car at least once each week for at least 30 min and (2) they gave me a charger and told me to charge the battery if I was not able to do #1. I've never had a car that needed to be plugged in even though my commute has been the same for many years. Of note, I was working on my other car (08 M3) this weekend and noted that the X5 wakes up periodically with electronic sounds and then shuts off. It makes me wonder if the X5 electronics run in sleep mode while the car is off.
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2012 F10 550xi Carbon black/oyster 2011 E92 M3 SSII/black 2012 W166 ML63 Steel grey/porcelain 2007 E93 monaco blue/beige (retired) 2010 E70 35d Space grey/saddle brown (retired) |
#5
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This is sadly a somewhat common problem on X5s. Yes, mine too will "wake up" periodically with electronic R2D2 like sounds, then shut off. Our Z8 needs to be kept on a BMW slow trickle charger if not driven regularly too. Great job BMW! he he he
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#6
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BMW and electronics... a bad marriage ...I had this problem too, car was at dealer for a full week. They reprogrammed 21 modules, including the so called footrest module, which they thought is the cause of the frequent wakeups. Sad to say that after 4 weeks, I had the problem again. I did not ask them again to have a look at it since I need the car to go to work.
Now I have again issues with electronics (dynamic drive failure). At this current rate of failures, I can drive the car for 4 weeks and then have to bring it in for fixing all the issues... Sad ... |
#7
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Common problem in a german X5-Forum as well. As far as I remember, some 20+ cars just in that forum have the same problems (excessive battery drain). People believe it has to do something with the Efficient Dynamics programming. Some people changed battery to a GEL Battery - seemed to work for some of them, but not for all unfortunately.
Me myself had a S-class in family that had to be plugged in literally every night to have the battery charged... until we found out it was absolutely necessary to LOCK the doors when leaving the car in the garage overnight. Otherwise several electronical devices will "test start" once in a while to enable a rapid start up when needed.
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Since 09/2008: BMW X5 3.0sd, spacegrey, black leather perforated, bamboo, nearly fully equipped Car history: 05/2003 - 08/2008: BMW 325Ci fully equipped 1998 - 05/2003: Audi A4 2,8 quattro 1993 - 1998: BMW 318 Touring |
#8
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Quote:
__________________ 2007 E70 4.8 sapphire black/beige 2007 E93 monaco blue/beige 2008 E92 M3 SSII/black
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2012 F10 550xi Carbon black/oyster 2011 E92 M3 SSII/black 2012 W166 ML63 Steel grey/porcelain 2007 E93 monaco blue/beige (retired) 2010 E70 35d Space grey/saddle brown (retired) |
#9
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Well that was kind of my question,, if you do lock the doors now on an E70 does this work ?, and will your battery stay charged, cos it didnt on my E53?
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#10
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keep your car locked ! while unlock, computer is running and draining the battery.
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His : 2013 X5 3.5d Deep Sea Blue/Black/Aluminum with ALL packages, 20" 214"s, running boards, Adaptive Drive, Spare Tire, BMW Apps On Order : 2016 X3 3.5 MSport Silver/Mocha with DHP, CW, Prem, Tech, DA, Lighting Hers : 2015 328xi MSport Silver/Red Prior: 2008 X5 4.8 2011 X5 3.5d 2010 335 xDrive 2013 335 xDrive |
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