Contact Corrosion
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Contact corrosion can occur if non-approved fasteners (bolts, nuts, washers, etc.) are used.
For this reason, only fasteners with a special surface coating may be installed.
In addition, rubber or plastic parts and adhesive are made of materials that do not conduct electricity.
If you are not sure about the suitability of parts, then use new parts
NOTE:
Original replacement parts are recommended because they have been tested.
It is recommended to use Audi accessories.
Damage resulting from contact corrosion is not covered by the warranty.