Contact Corrosion
WARNING: This page is about a different car, the 2018 Audi A6, 2017 Audi A6, and 2016 Audi A6. However, it is still accessible from the selected car via links, so may be relevant.
Contact Corrosion Can Occur If Unsuitable Fasteners (Bolts, Nuts, Washers, etc.) Are Used.
For this reason, only fasteners with a special surface coating may be installed.
Furthermore, only rubber/plastic parts and adhesive made of electrically non-conductive materials are used.
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.
Damage Resulting From Contact Corrosion Is Not Covered By The Warranty.