41 00... Repair solution for straight shank/hexagon rivet nut: Notes

WARNING: This page does not describe the selected car, but rather 18 other vehicles, including the 2015 BMW Alpina B7L xDrive, 2015 BMW Alpina B7 xDrive, 2015 BMW 750i xDrive, 2015 BMW 750Li xDrive, and 2015 BMW 740Li xDrive. However, it is still accessible from the selected car via links, so may be relevant.

Protection measures!

Wear safety goggles
Wear protective gloves

IMPORTANT: To prevent the material from tapering, do not drill out the rivet head.

Carefully spot-drill rivet head with a larger drill bit/countersink

Fig 1: Spot-Drilling Rivet Head Using Larger Drill Bit/Countersink
Courtesy of BMW OF NORTH AMERICA, INC.

IMPORTANT: Avoid paintwork damage
Knock rivet head away with a chisel

Fig 2: Knocking Rivet Head Away Using Chisel
Courtesy of BMW OF NORTH AMERICA, INC.
Drive through rivet shank into cavity, remove if necessary

Fig 3: Identifying Rivet Shank
Courtesy of BMW OF NORTH AMERICA, INC.
Clean component, eliminate paintwork damage if necessary

Fig 4: Identifying Clean Component
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If the rivet shank can be removed:

IMPORTANT: To avoid corrosion, stop chips by means of cavity sealing.
Follow INSTRUCTIONS ON CORROSION PROTECTION .
Preserving cavity

Fig 5: Removing Rivet Shank
Courtesy 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 and rivet nut shank with cavity foam.

Remove foam remnants with isohexane (benzine).

Fig 6: Removing Rivet Shank

Courtesy 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.