Contact Corrosion
WARNING: This page is about a different variant/trim than selected.
Contact corrosion can occur if incorrect fasteners (bolts, nuts, washers, etc.) are used.
For this reason, only fasteners with a special surface coating are installed.
Rubber or plastic parts and adhesives are also made of non-conductive materials.
If there are doubts about whether parts can be used or not, then use new parts.
NOTE:
Only original replacement parts are recommended. They are checked and compatible with aluminum.
The use of Audi accessories is recommended.
Contact corrosion damage is not covered under warranty.