Bosch F6TC (W8DC) Spark Plug (Price for 1Set=4pcs) - For Carburetor Old Car
Genuine EO BOSCH 0241229715 / W8DC SUPER Spark Plug 6 Pack 3165143574829 | eBay
BoschSparkPlugs.net: Bosch 7805 W8DC 0241229966 Small Engine Spark Plug
Spark plug Bosch W8DC for 518 from 07/1975 up (518 LHD 4625659 / 518 RHD 3820624) and for 518i+520/4+520i all years of manufacturing only for country version AUS, S, you need 4