Fix Bolt On New Part

Single ball/double ball (version 1): 

Grind off any residues of the single ball (1), if applicable.

Drill hole with diameter 7 mm.

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Set blind rivet nut (1).

Screw in single ball with thread until a height of 5 mm (double ball 10 mm) is reached.

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Single ball/double ball (version 2): 

Grind off any residues of the single ball (1), if applicable.

Clean area with solvent cleaner R1.

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Clean bonding surface of repair element single ball (1) with solvent cleaner R1.

Bond repair element optionally with adhesive K1, K5 or window pane adhesive at the same position.

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Coarse threaded bolt (version 1): 

Grind off any residues of the coarse threaded bolt (1), if applicable.

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Spot weld coarse threaded bolt to same position.

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Coarse threaded bolt (version 2): 

Grind off any residues of the coarse threaded bolt (1), if applicable.

Drill hole with diameter 7 mm.

Set blind rivet coarse threaded bolt using riveting pliers.

Courtesy of BMW OF NORTH AMERICA, INC.