If you use a code reader that can read bmw mini specific codes it will let you know if there are any issues with the bcu.
Mini cooper door lock problems.
Door latch problem of the 2005 mini cooper 1.
The electric doors locks does not work anymore.
Also please check out the statistics and reliability analysis of mini cooper based on all problems reported for the cooper.
Replacing the door lock actuator is necessary when the lock stops properly responding to lock and unlock commands from the remote or dash mounted toggle switch.
The most recently reported issues are listed below.
However the driver side actuator does take a bit more time to install as it has the key lock linkage to also get back in place.
The same procedure is followed for either door.