51 16 190 Removing and installing/replacing lock cylinder in center armrest
WARNING: This page does not describe the selected car, but rather 21 other vehicles, including the 2017 BMW 550i GT xDrive, 2017 BMW 535i GT xDrive, 2017 BMW 535i GT, 2016 BMW 550i GT xDrive, and 2016 BMW 535i GT xDrive. However, it is still accessible from the selected car via links, so may be relevant.
When working on trim panel components, make sure that visible surfaces are not scratched or damaged (e.g. by sharp-edged tools).
Open both center console armrests.
Carefully lift off cover (1) by hand.
Insert key (1) in lock cylinder (2).
Lever out lock barrel (2) with screwdriver (3) upwards.
Replacement
Assemble new LOCK BARREL according to the encoding.