51 21... Releasing door retainer from left or right door pillar

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Special tools required:

41 1 120

IMPORTANT: Cover ball head below door retainer (1) (damage to paintwork).

Detach door retainer (1) with special tool 41 1 120 towards top from ball head.

Fig 1: Detaching Door Retainer With Special Tool

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: To remove door retainer or door seal, feed out seal (2) inwards.
If necessary, push piston rod into door retainer (risk of damage).

Installation:

Seal must not be damaged.

Door outer skin must be situated between outer lip (1) and inner lip (2).

Fig 2: Identifying Outer Lip And Inner Lip

Courtesy of BMW OF NORTH AMERICA, INC.