51 13... Adjusting windscreen frame seal to roof shell seal

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Release outer screw (1) of windscreen frame seal (3).

2 = banjo nut

Fig 1: Removing Outer Screw Of Windscreen Frame Seal

Courtesy of BMW OF NORTH AMERICA, INC.

Turn banjo nut top adjust windscreen frame seal (1) flush with roof shell seal (2).

Fig 2: Adjusting Windscreen Frame Seal With Roof Shell Seal

Courtesy of BMW OF NORTH AMERICA, INC.

Sectional view for improved clarity

Banjo bolt (1) alters the relative position of vulcanized aluminum sheet (2) to windscreen frame edge (3).

Installation:

After adjustment, secure banjo bolt (1) again against twisting with Loctite.

Fig 3: Securing Banjo Bolt

Courtesy of BMW OF NORTH AMERICA, INC.