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(31 00... Repairing threads)

WARNING: This page is about a different variant/trim than selected.
IMPORTANT: Install Helicoil thread inserts so that they are flush with the original thread.
NOTE: Damaged threads on the engine mount may be repaired with Helicoil thread inserts. Comply with the procedure described in this example:
Fig 1: Helicoil Thread Inserts
G11774512Courtesy of BMW OF NORTH AMERICA, INC.

Procedure: 

  1. Create a clean core hole; if necessary, drill out screw remnants
    Fig 2: Drilling Out Screw Remnants
    G11774513Courtesy of BMW OF NORTH AMERICA, INC.
  2. Create locating thread for Helicoil thread insert
    Fig 3: Creating Locating Thread For Helicoil Thread Insert
    G11774514Courtesy of BMW OF NORTH AMERICA, INC.
  3. Pick out Helicoil thread insert in accordance with the table  and screw into the locating thread until flush with the original thread
    Fig 4: Helicoil Thread Insert
    G11774515Courtesy of BMW OF NORTH AMERICA, INC.
  4. Break drive pin and remove
Fig 5: Removing Drive Pin
G11774516Courtesy of BMW OF NORTH AMERICA, INC.