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General E46 Forum
This is the place to get answers, opinions and everything you need related to your E46 (sedan, coupe, convertible and wagon) BMW!

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Old 06-11-2009, 11:44 AM   #1
kfrost
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Join Date: May 2009
Location: Greater Boston
Posts: 56
My Ride: 2001 330cic
Cool keybobs

How do you reprogram your keyfobs? I have one that unlocks but won't lock the doors (or set the alarm). Any ideas? I am new to this stuff.....
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Old 06-11-2009, 01:15 PM   #2
kfrost
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Join Date: May 2009
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My Ride: 2001 330cic
Cool Re-programming keyfobs

I just found an answer to my own question...

Re: Programming the Key Fob
Author: jimcash : member since July, 2005 : 1180 posts
Posted on: 2006-09-25 07:03:50

When you "re-initialise" your remote keys you are only establishing new security code dialogue between the car and the keys.

When you do this you have to do ALL the remote keys at once - otherwise the key that is not included in the sequense will not longer work - as you found out.

Process is as follows

Remote Key Re-Initialise - If a key fails to operate remotely, it will have to be re-initialised (all keys at the same time)

- Get in and “close all doors”

- Turn ignition to "on" & then off quickly ( no more than 5 seconds ) to start the process. (not necessary to start the engine) Next action must take place within 30 seconds

- First key - hold down button #2 (unlock) while striking button #1 (lock) three times. Release button #2. Confirmed by door lock operation.

- Repeat for next key within 30 seconds.

- Complete the process by turning the igntion to on position and immediately off again (not necessary to start the car).


Make sure you use each key regularly to keep the key batteries charged.

Cheers
Jim Cash
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Old 06-11-2009, 01:20 PM   #3
Rog323
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keybobs!
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Old 06-11-2009, 01:21 PM   #4
TKC
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