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E60 (2004 - 2010)
BMW 5-Series (E60 chassis) was first seen in the Unites States in the fall of 2003 with a 2004 Model Year designation. The E60 is now available as a 528i, 528xi, 535i, 535xi, 550i and a 535xi sports wagon! -- View the E60 Wiki

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  #1  
Old 10-19-2014, 06:47 AM
bbuller bbuller is offline
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Will key fob send signal to battery tester at auto parts store?

My key fob is no longer working (and unfortunately I only have one). Before I get into the rear spoiler on my E61 to check out the diversity antenna (radio still works). I thought I'd take me key to O'Reily's Auto and point it at their key fob battery tester. The battery tester didn't show any sign of the key fob sending a signal.

I don't have comfort access, so I cannot change the battery. I tried setting the key fob on my toothbrush charger to inductively charge it overnight... still nothing.

Any other ideas on how to rule out the key fob before I start taking a look at the diversity antenna?

Anyone else ever pointed their inductively charged key at one of those battery testers at the parts store and seen a result?
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  #2  
Old 10-19-2014, 10:43 AM
H F H F is offline
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What year is your car . And what style key u have ?
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  #3  
Old 10-19-2014, 02:44 PM
banglenot banglenot is offline
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OP: does your other key work? Or your spare plastic key (see the manual for how to start the car with your spare key)?
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  #4  
Old 10-19-2014, 03:55 PM
bbuller bbuller is offline
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Quote:
Originally Posted by H F View Post
What year is your car . And what style key u have ?
2006

See pic.
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  #5  
Old 10-19-2014, 03:56 PM
bbuller bbuller is offline
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Unfortunately, this is the only key I have. I can of course lock/unlock the doors with the slide out key.
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  #6  
Old 10-19-2014, 06:47 PM
Maini Maini is offline
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Carefully pry the key fob from the seams and test the battery.. I have done it.. and even replaced the battery with this
http://www.amazon.com/dp/B00D4522AY/...I1R5ES8MFI91CH
You will have to do some soldering but it should be OK .. not too tough.
Then you can use some form of cheap super glue to put it together.. and easily crack it open if you have to in the future..
I used a nice swiss knife blade and the large flat screwdriver head to crack it open without harming the shell. Absolutely doable..
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  #7  
Old 10-19-2014, 08:20 PM
jamie75 jamie75 is online now
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You can even get replacement plastic she'll on ebay
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  #8  
Old 10-20-2014, 12:01 AM
H F H F is offline
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Quote:
Originally Posted by bbuller View Post
2006

See pic.
Looks easy enough to swap the battery..

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Last edited by H F; 10-20-2014 at 12:04 AM.
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  #9  
Old 10-20-2014, 03:11 AM
wcr3d wcr3d is offline
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Quote:
Originally Posted by H F View Post
Looks easy enough to swap the battery..

That video is for CA Fob. The non-CA Fob doesn't have that battery door on it.
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  #10  
Old 10-20-2014, 06:04 AM
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GeorgeT GeorgeT is offline
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Quote:
Originally Posted by wcr3d View Post
That video is for CA Fob. The non-CA Fob doesn't have that battery door on it.
That's a Comfort Access fob with a replaceable battery not a standard fob.
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  #11  
Old 10-20-2014, 08:08 AM
wcr3d wcr3d is offline
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Hmmm, is there an echo in here? :-)
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  #12  
Old 10-20-2014, 08:37 AM
H F H F is offline
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Here you go .. doesnt show the battery but at least shows it cracked open

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Last edited by H F; 10-20-2014 at 09:08 AM.
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  #13  
Old 10-20-2014, 01:25 PM
bbuller bbuller is offline
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Cool!. I'll give it a try. I looked around on youtube and could not come up with the video above, so thanks for finding it for me!

-Brian
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  #14  
Old 10-21-2014, 05:49 AM
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GeorgeT GeorgeT is offline
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Originally Posted by wcr3d View Post
Hmmm, is there an echo in here? :-)
Yeah, I tried to delete my post but to no avail.
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