BMW Genuine Rear Cover For Wiper Arm Nut X3 2.5i X3 3.0i X3 3.0i X3 3.0si BMW Genuine Rear Cover For Wiper Arm Nut E83 E83N It is used in SINGLE PARTS FOR REAR WINDOW WIPER -- Manufacturer Warranty: 24000 miles or 2 years Please see Product Description below for vehicle compatibility