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Home >> BMW >> 2009 >> M3 2D Convertible, Standard >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 84 (Collision - Body Panel Repair (E90) Sedan) >> Body Repair General Information >> 41 00... Repair Solution For Straight Shank/Hexagon Rivet Nut

41 00... Repair Solution For Straight Shank/Hexagon Rivet Nut

WARNING: This page is about a different variant/trim than selected.

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
    Fig 1: Drilling Rivet Head Using Larger Drill Bit
    G05476737Courtesy of BMW OF NORTH AMERICA, INC.
    IMPORTANT: Avoid paintwork damage
  2. Knock rivet head away with a chisel
    Fig 2: Knocking Rivet Head Using Chisel
    G05476738Courtesy of BMW OF NORTH AMERICA, INC.
  3. Drive through rivet shank into cavity, remove if necessary
    Fig 3: Identifying Rivet Shank Cavity
    G05476739Courtesy of BMW OF NORTH AMERICA, INC.
  4. Clean component, eliminate paintwork damage if necessary
    Fig 4: Identifying Cavity
    G05476732Courtesy of BMW OF NORTH AMERICA, INC.

    If the rivet shank can be removed: 

    IMPORTANT: To avoid corrosion, stop chips/debris by means of cavity sealing.
    Follow INSTRUCTIONS ON CORROSION PROTECTION  .
  5. Preserving cavity
Fig 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/debris and rivet nut shank with cavity foam.
Remove foam remnants with isohexane (benzine).
Fig 6: Preserving Cavity
G05476733Courtesy of BMW OF NORTH AMERICA, INC.
  1. 5. Stop rivet shank by means of specific foaming
  2. 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.
Fig 7: Installing Rivet Nut Using Hand Rivet Gun
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.
Fig 8: Installing Rivet Nut With Hand Rivet Gun
G06850904Courtesy of BMW OF NORTH AMERICA, INC.