31 00... Notes on repairing threads: Procedure

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Create a clean core hole; if necessary, drill out screw remnants

Fig 1: Creating Clean Core Hole
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Create locating thread for Helicoil thread insert

Fig 2: Inserting Helicoil Thread On Locating Thread
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Pick out Helicoil thread insert in accordance with the Notes on repairing threads and screw into the locating thread until flush with the original thread

Fig 3: Inserting Helicoil Thread On Original Thread
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Break drive pin and remove

Fig 4: Breaking Drive Pin

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Create a clean core hole; if necessary, drill out screw remnants

Fig 1: Creating Clean Core Hole
Courtesy of BMW OF NORTH AMERICA, INC.
Create locating thread for Helicoil thread insert

Fig 2: Inserting Helicoil Thread On Locating Thread
Courtesy of BMW OF NORTH AMERICA, INC.
Pick out Helicoil thread insert in accordance with the Notes on repairing threads and screw into the locating thread until flush with the original thread

Fig 3: Inserting Helicoil Thread On Original Thread
Courtesy of BMW OF NORTH AMERICA, INC.
Break drive pin and remove

Fig 4: Breaking Drive Pin

Courtesy of BMW OF NORTH AMERICA, INC.