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Home >> BMW >> 2012 >> Z4 35is >> Repair and Diagnosis (Single Page) >> Collision >> General Collision Information >> Collision - Body Panel Repair (E89) >> 4100 Body Panel Repair General Information >> 41 00... Repair Solution For Straight Shank/Hexagon Rivet Nut
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41 00... Repair Solution For Straight Shank/Hexagon Rivet Nut

Protection measures! 

IMPORTANT: To prevent the material from tapering, do not drill out the rivet head.
  1. Carefully spot-drill rivet head with a larger drill bit/countersink
    G05476737Courtesy of BMW OF NORTH AMERICA, INC.
    IMPORTANT: Avoid paintwork damage
  2. Knock rivet head away with a chisel
    G05476738Courtesy of BMW OF NORTH AMERICA, INC.
  3. Drive through rivet shank into cavity, remove if necessary
    G05476739Courtesy of BMW OF NORTH AMERICA, INC.
  4. Clean component, eliminate paintwork damage if necessary
    G06910430Courtesy of BMW OF NORTH AMERICA, INC.

    If the rivet shank can be removed: 

    IMPORTANT: To avoid corrosion, stop chips/swarf by means of cavity sealing.
    Follow INSTRUCTIONS ON CORROSION PROTECTION  .
  5. Preserving cavity
    G05476733Courtesy of BMW OF NORTH AMERICA, INC.

    If the rivet shank cannot be removed: 

    WARNING: Risk of injury!
    Observe NOTES ON CAVITY FOAM  .
    IMPORTANT: To avoid corrosion and rattling noises, stop chips/swarf and rivet nut shank with cavity foam.
    Remove foam remnants with isohexane (benzine).
    G05476733Courtesy of BMW OF NORTH AMERICA, INC.

    5. Stop rivet shank by means of specific foaming

  6. Set rivet nut with hand rivet gun
NOTE: Fit rivet nut as quickly as possibly, ideally before the cavity foam hardens.

Hexagon/straight shank rivet nut (up to thread M8) with hand rivet gun ZS308 

IMPORTANT: Follow manufacturer's operating instructions.
Make sure rivet nut correctly contacts component.
NOTE: According to the manufacturer, the pictured tool is suitable up to an M8 thread
G05476734Courtesy of BMW OF NORTH AMERICA, INC.

Hexagon/straight shank rivet nut (up to thread M12) with hand rivet gun MB512 

IMPORTANT: Follow manufacturer's operating instructions.
Make sure rivet nut correctly contacts component.
G06850904Courtesy of BMW OF NORTH AMERICA, INC.
NOTE: According to the manufacturer, the pictured tool is suitable up to an M12 thread