Nut with washer (M12-10-ZNS3) is a genuine BMW part with catalog number 46518551863 (BMW notation: 46 51 8 551 863). It is listed in the Fasteners & Hardware category of our catalog. Price: 3,52 € excl. VAT. We source every part to order — that usually takes 1–2 weeks — and every order comes with a VAT invoice.