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Home >> BMW >> 2009 >> 335d >> Repair and Diagnosis >> External Pages >> Different car >> Section 2071 (COLLISION - BODY PANEL REPAIR (F02) 760Li) >> Body Panel Repair General Information >> 41 00... Repair Solution For Straight Shank/Hexagon Rivet Nut >> Notes

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

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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/Countersink
    G08471134Courtesy of BMW OF NORTH AMERICA, INC.
    IMPORTANT: Avoid paintwork damage
  2. = Knock rivet head away with a chisel
    Fig 2: Knocking Rivet Head Away Using Chisel
    G08471135Courtesy of BMW OF NORTH AMERICA, INC.
  3. = Drive through rivet shank into cavity, remove if necessary
    Fig 3: Identifying Rivet Shank Cavity
    G08471136Courtesy of BMW OF NORTH AMERICA, INC.
  4. = Clean component, eliminate paintwork damage if necessary
    Fig 4: Identifying Rivet Shank Cavity Area
    G08471137Courtesy 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
    G08471138Courtesy 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
G08471139Courtesy 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.