Contact Corrosion

WARNING: This page is about a different car, the 2024 Audi SQ7, 2024 Audi Q7, 2023 Audi SQ7, and 2023 Audi Q7. However, it is still accessible from the selected car via links, so may be relevant.

Contact corrosion can occur if incorrect fasteners (bolts, nuts, washers, etc.) are used. For this reason, only fasteners with a special surface coating may be installed.
Original parts and original accessories are recommended which were developed and checked for the respective intended purpose.