BMW X3 Service & Repair Manual: Repair solution for straight shank/hexagon rivet nut

Protective measures!

• Wear safety goggles
• Wear protective gloves

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

IMPORTANT: Avoid paint damage

2. Knock rivet head away with a chisel

3. Punch through rivet shank into cavity, remove if necessary

4. Clean component, eliminate paint damage if necessary

If the rivet shank can be removed:

IMPORTANT: To avoid corrosion, stop chips/swarf by means of cavity preservation.

Follow NOTES ON CORROSION PROTECTION.

5. Preserving cavity

If the rivet shank cannot be removed:

WARNING: Danger 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).

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.

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.

NOTE: According to the manufacturer, the pictured tool is suitable up to an M12 thread.