E46 Keys - Remote

akajee

New member
Howzit Gents,

I got a E46 318i that only came with 1 key. The remote does not open or close so I figure its the battery. From most of the posts that I read, I need to replace the battery and re-sync.

Where can I get a battery?
 

rtayob

Member
I spliced my key open and found of the contacts weren't making contact with the battery. Replaced the battery from RS components and had one of the Pakistani cell phone guys solder a new wire as the old contact broke.
And also my receiver wasn't wasn't working properly (CI receiver in the rear view mirror) but after unplugging and plugging the receiver back it, I re synced the key with the new battery and worked perfectly.
Be careful when opening the key, don't rush, do it slowly and use a sharp knife / razor blade.
I had a place in centurion cut a new key for me that I bought from ali express. And used an AK 90 Tool to re code the new key RDIF chip to the car EWS.
Now using the new key as still need to seal the old key back again.


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akajee

New member
Thanks, the key was previously opened and I did see the contact broken. It's only pushing 2.0v so I think I need a new battery for a start.

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akajee

New member
I got a new battery and soldered it down. I tried syncing and it appeared to work but only locked. Any ideas?

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It doesn't open the car

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