51 45... Removing and installing/replacing trim on ashtray

Open ashtray.

Release trim (1) at catches (2) towards inside.

Feed out trim (1) in upward direction.

Fig 1: Identifying Trim And Catches

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Installation: 

Catches (1) on trim (2) and retainers on ashtray must not be damaged.

Fig 2: Identifying Catches On Trim

Courtesy of BMW OF NORTH AMERICA, INC.