Screw (M12x255-10.9-MK) is a genuine BMW part with catalog number 46518526421 (BMW notation: 46 51 8 526 421). It is listed in the Fasteners & Hardware category of our catalog. Price: 11,27 € excl. VAT. We source every part to order — that usually takes 1–2 weeks — and every order comes with a VAT invoice.