63 99... Replacing bulb for socket lighting in storage compartment at front

Unlock catch (1) and pull bulb holder (2) out of fixture (3).

Installation: 

Make sure bulb holder (2) is correctly seated in fixture (3).

Bulb holder guide (4) must be located in associated opening of fixture (3).

Fig 1: Unlocking Catch And Pulling Bulb Holder Out Of Fixture

Courtesy of BMW OF NORTH AMERICA, INC.

Remove bulb (1) from bulb holder (2) in direction of arrow.

Installation: 

Note type of bulb.  See LIGHTS - TECHNICAL DATA -- S CLUBMAN (R55) .

Fig 2: Removing Bulb From Bulb Holder

Courtesy of BMW OF NORTH AMERICA, INC.