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E39 Key Button DIY


mkoepp

Question

I purchase a set of these to replace my worn out buttons.

 

http://www.ebay.com/itm/261201404201

 

post-3341-0-03112800-1425601331_thumb.jp

 

I popped off the rear cover to reveal 2 screws. I removed both screws.

 

post-3341-0-82734600-1425601418_thumb.jp

 

Remove board as shown.

 

post-3341-0-94923800-1425601506_thumb.jp

 

Start removing old buttons. Use caution and work slowly. 

 

post-3341-0-65554300-1425601632_thumb.jp

 

I broke a few tabs but all is good. Again use caution.

 

post-3341-0-35301900-1425601673_thumb.jp

 

I cut off the fake led light as my key had a real one.

 

post-3341-0-75790900-1425601731_thumb.jp

 

I needed to cut a corner off the lock button to clear the chip.

 

post-3341-0-87788900-1425601793_thumb.jp

 

The chip had some adhesive holding it down preventing it from rattling. I used a dab of shoe goo to hold it in place.

 

Put it all back together with a new battery and all it good.

 

If replacing battery, you have 30 seconds to get the new battery in once the old is out. It took me about 3 seconds so it should not be a problem. If battery is out for longer you will have to re-initialize the key. 

 

 

 

 

 

 

 

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