Installing roof outer skin

Fig 1: Identifying Roof Outer Skin Adhesive And Sealant Applying Areas

Courtesy of BMW OF NORTH AMERICA, INC.

Clean all  bonding surfaces on vehicle and on new part with cleaning agent R1.

Apply sealant D1 in areas (1) analogously to Series.

Apply adhesive in areas (2).

Apply a little more adhesive to nodes of A-pillar.

Place roof outer skin with helpers evenly and centrally on vehicle.

Insert 4 star screws (1) hand-tight.

Fig 2: Identifying Roof Channel Screw

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Rivet roof outer skin in C-pillar area with blind rivet.

Fig 3: Locating Blind Rivet Connection Area On C-Pillar

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In area (1) rivet roof outer skin with 7 N4 punch rivets.

Set punch rivets in corners starting at a distance of approx. 200 mm.

Fig 4: Identifying Riveted Area On Roof Outer Skin

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Rivet roof outer skin in areas (1) with blind rivets.

Use 8 punch rivets N4 in area (2).

Fig 5: Identifying Blind Rivets And N4 Rivets Areas On Roof Outer Skin

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Adapt step (1) between roof outer skin (2) and A-pillar with emerging adhesive. Remove excess adhesive.

Do not leave any traces of sharp edges as this could compromise the tightness of the subsequent bond.

Fig 6: Identifying Step And Roof Outer Skin

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Operation is described on the left side. Right side identical.

Fit an EMC SCREW  after adhesive has hardened in area (1).

In so doing, bear in mind subsequent fitting of roof trim strip (clips).

Fig 7: Identifying Adhesive Applying Area On Roof Trim Strip

Courtesy of BMW OF NORTH AMERICA, INC.