3100... Notes on repairing threads: Procedure

2013 BMW 128i 2D Convertible, Eng CD N52, Standard TransSECTION Procedure
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2013 BMW 328xi, 2012 BMW 328xi, 2011 BMW 328xi, 2010 BMW 335xi, and 2010 BMW 328xi. However, it is still accessible from the selected car via links, so may be relevant.
  1. Create a clean core hole; if necessary, drill out screw remnants
    Fig 1: Creating Clean Core Hole
    G04726239Courtesy of BMW OF NORTH AMERICA, INC.
  2. Create locating thread for Helicoil thread insert
    Fig 2: Inserting Helicoil Thread On Locating Thread
    G04726240Courtesy 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 3: Inserting Helicoil Thread On Original Thread
    G04726241Courtesy of BMW OF NORTH AMERICA, INC.
  4. Break drive pin and remove
    Fig 4: Removing Drive Pin
    G04726242Courtesy of BMW OF NORTH AMERICA, INC.
RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.