Originally Posted by Pakoris
Did you managed to find an answer for the rings not lighting up after continuous unlock/lock?.
Could be the iDrive cutting the power due to battery low?
There should never be any problems with the car cutting power to the angel eyes when locking/unlocking. the only thing that might happen is you try to lock/unlock to quickly and the car will not do it everytime. Since they are only a bulb replacement they still behave the same exact way.