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7 Series - F01 / F02 (2009 - current)
The new re-designed 7 series F01 / F02 leads off the BMW Fxx chassis code!

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  #1  
Old 07-01-2012, 03:48 PM
750lxi 750lxi is offline
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battery location?

does anyone know where the battery is located in our cars, and how to access it?

it does not say in the manual.
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  #2  
Old 07-01-2012, 04:30 PM
bruno787 bruno787 is offline
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its in the trunk, just remove the carpet
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  #3  
Old 07-01-2012, 07:04 PM
750lxi 750lxi is offline
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thanks, but do you know how to remove the carpet?

it doesnt seem easy.

Last edited by 750lxi; 07-01-2012 at 09:07 PM.
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  #4  
Old 07-02-2012, 12:20 AM
the-pm the-pm is offline
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This bit is in the manual, it is under the parking brake section and shows you how to remove the carpet, there is tool in the tool kit to do it. You can see the battery in this post http://www.bimmerfest.com/forums/sho...32#post6928632
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  #5  
Old 07-02-2012, 07:10 AM
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07X3platinum 07X3platinum is offline
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The batteries on most new BMWs, if not all, are located in the trunk for better weight balance.
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  #6  
Old 07-02-2012, 08:17 AM
750lxi 750lxi is offline
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thanks a lot pm!

just looked up that section in the manual and all the info to remove the floor trim in the trunk is there!
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  #7  
Old 07-02-2012, 01:45 PM
the-pm the-pm is offline
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No problem, why do you want to know anyway, general interest or do you have an issue?
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  #8  
Old 07-02-2012, 03:33 PM
750lxi 750lxi is offline
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wondering if disconnecting the battery will clear a fault that has registered...
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  #9  
Old 07-02-2012, 11:15 PM
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Individual750LI Individual750LI is offline
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Anyone know how long the battery will last if parked? I will be on a biz trip for a month and don't wanna come back and have a dead battery.
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  #10  
Old 07-03-2012, 12:04 AM
f01driver f01driver is offline
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Quote:
Originally Posted by Individual750LI View Post
Anyone know how long the battery will last if parked? I will be on a biz trip for a month and don't wanna come back and have a dead battery.
I use a trickle charger when I go out of town.
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  #11  
Old 07-03-2012, 12:20 AM
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Individual750LI Individual750LI is offline
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Thanks! Where do you buy one? Is it safe, I'm kind of concern about it would catch on fire?
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  #12  
Old 07-03-2012, 03:25 AM
f01driver f01driver is offline
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Quote:
Originally Posted by Individual750LI View Post
Thanks! Where do you buy one? Is it safe, I'm kind of concern about it would catch on fire?

Yup, it's safe. Dealers use tenders/ticklers on their cars all the time and keep logs, I actually found the log when I purchased my car.

Battery tenders are better because it's controlled, ticklers consistently stay on and can do damage to the battery over long periods of time. BMW actually sells a battery tender but the best you can buy is in the link below. Don't waste money buying the BMW one because it's a rebadged unit and you're basically paying for the "BMW" name.


http://batterytender.com/automotive.html
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  #13  
Old 07-03-2012, 05:53 AM
chrischeung chrischeung is offline
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I picked this one up from Sears - http://www.sears.com/shc/s/p_10153_1...0Chargersmv=rr

I used it for the first time over the weekend. Battery charge level was about 45%! My Mon-Fri commute is only 5 miles each way. After a long 2 hour highway, the battery went from about 58% to 95% through self charging.
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3/12 ED 7 - thread ID 610350
1/11 ED 6 - thread ID 5767556&postcount=175
4/10 ED 5 - thread ID 453501
5/08 ED 4 - thread ID 290679
3/07 ED 3 - thread ID 201013
3/06 ED 2 - thread ID 136454
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  #14  
Old 07-03-2012, 01:17 PM
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Individual750LI Individual750LI is offline
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Cool, Thanks a lot guys! Already ordered one.
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  #15  
Old 07-04-2012, 06:07 AM
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BMR2009 BMR2009 is offline
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Chris, do you use acccess in the trunk, or the posts under the front hood? I know you can boost from there, didn't know if you could trickle charge from there.
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  #16  
Old 07-04-2012, 06:11 AM
chrischeung chrischeung is offline
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I use the one under the hood - make sure you use the correct nut for grounding. It does come with the lighter attachment (never thought about the trunk), but the socket needs to be "hot" for it to charge the battery.
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2012 ActiveHybrid 750i ED

3/12 ED 7 - thread ID 610350
1/11 ED 6 - thread ID 5767556&postcount=175
4/10 ED 5 - thread ID 453501
5/08 ED 4 - thread ID 290679
3/07 ED 3 - thread ID 201013
3/06 ED 2 - thread ID 136454

Last edited by chrischeung; 07-04-2012 at 06:16 AM.
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  #17  
Old 07-04-2012, 06:32 AM
chrischeung chrischeung is offline
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Mein Auto: 2012 ActiveHybrid 7 SWB
I just put the charger on to see the charge level. 67%. And it was basically full 2 days ago. I had 2 days of short commutes. With the hybrid auto start, I think this car will degrade the battery pretty quickly (not covered under warranty). I think the tender has saved me a new battery.
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2012 ActiveHybrid 750i ED

3/12 ED 7 - thread ID 610350
1/11 ED 6 - thread ID 5767556&postcount=175
4/10 ED 5 - thread ID 453501
5/08 ED 4 - thread ID 290679
3/07 ED 3 - thread ID 201013
3/06 ED 2 - thread ID 136454
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