Thread: E39 Faq
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Old 05-04-2007, 06:38 AM
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Mister Chow Mister Chow is offline
Officially Welcomed to the 'Fest
Location: Toronto
 
Join Date: Jan 2006
Posts: 889
Mein Auto: 1999 528i
Older Style Key Maintenance

My key remote wasn't working very well any more so I tried a new battery (even though the battery checker said it was okay). And even tried holding it to my head.

But nothing helped. So I decided to take the key apart and clean out the insides. I just used a pencil eraser to clean up the gunk that had accumulated on the contacts on the plastic bubble sheet and on the transmitter unit. Now it works great. Take a look:

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