Screw isa with washer (M8x40-U1-8.8) is a genuine BMW part with catalog number 46538534589 (BMW notation: 46 53 8 534 589). It is listed in the Fasteners & Hardware category of our catalog. Price: 3,60 € excl. VAT. We source every part to order — that usually takes 1–2 weeks — and every order comes with a VAT invoice.