Contact corrosion!

WARNING: This page is about a different car, the 2008 Audi RS 4 and 2007 Audi RS 4. However, it is still accessible from the selected car via links, so may be relevant.

Contact corrosion can occur if appropriate connecting elements (bolts, nuts, washers, etc.) are not used.

For this reason, only install connecting elements that are treated with a special coating.

Also, rubber or plastic parts and adhesive consist of non-conductive materials.

If there are doubts about the suitability of parts, use new parts .

NOTE:

Only original replacement parts are recommended, they are checked and compatible with aluminum.
Audi accessories are recommended.
Damage due to contact corrosion is not covered by warranty.