3100... Notes on repairing threads

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2011 BMW 328i, 2011 BMW 323i, 2010 BMW 335i, 2010 BMW 328i, and 2010 BMW 323i. However, it is still accessible from the selected car via links, so may be relevant.

IMPORTANT: Install Helicoil thread inserts so that they are flush with the original thread.

NOTE: Damaged threads in engine support may be repaired with Helicoil thread inserts. Comply with the procedure described in the example.

Fig 1: Identifying Damaged Helicoil Thread

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Procedure

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

Fig 2: Creating Clean Core Hole
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Create locating thread for Helicoil thread insert

Fig 3: Inserting Helicoil Thread On Locating Thread
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Pick out Helicoil thread insert in accordance with the TABLE and screw into the locating thread until flush with the original thread

Fig 4: Inserting Helicoil Thread On Original Thread
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Break drive pin and remove

Fig 5: Removing Drive Pin
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