You may not need the pairing button. Try this:
(see more ideas from
http://www.bimmerfest.com/forums/sho...t=76028&page=2)
PAIRING PROCEDURE E46/E83/E85/E53
1. Turn Key off and then to KL-R or KL-15.
2. The vehicle is ready for pairing for the first 2 minutes of key on.
3. “Bluetooth Pairing” appears on the MID or Board Monitor.
4. During the pairing process, depending on equipment, the indicator lights on MID or Board Monitor
display flash.
5. Your mobile phone should now be set to search for BT devices. See the Owner’s Manual for your
handset.
6. A request to enter a password, PIN, or code appears on the handset display, depending on your
model. Enter the ‘BLUETOOTH PASSKEY” (supplied with the vehicle literature), using the
numerical keys on the handset and confirm the input. Look for a confirmation message on the
handset.
7. To conclude the pairing process turn the key off.
8. Wait approximately 30 seconds before turning the key back on. The phone will now be connected
when the key is turned on.