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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > DIY Guides > DIY Repair key fob button (i.e. lock)



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DIY Repair key fob button (i.e. lock)
Published by woodpecka
04-26-2014
DIY Repair key fob button (i.e. lock)

Hi.

Just want to share how I have been able to repair my NON CA key fob lock button.

Short story: BMW replaced one of my key fob because the lock button wasn't working but they forgot to take back the broken one. I decided to try to fix it myself and having 3 fully working fobs. It works!

First, you need to open the key fobs. I did it following this method:
http://www.e90post.com/forums/showthread.php?t=811431

Second: I did found a switch supplier on ebay: Tact Switch Micro Push Button 4.2 x 3.2 x H 2.5mm NEW (TS-1234)
http://www.cafr.ebay.ca/itm/10pcs-Ta...d5ea50a&_uhb=1




got 10 for 3$

Third: I just unsoldered the old switch and soldered the new one, using the same flux.

Fourth: I reassembled the key fob and used crazy glue on the casing.

That's it!
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