4x Iridium Upgrade Spark Plugs Fits BMW 3 Series (E90) 318
BMW 3 Series (E90) 318. 4x Iridium Upgrade Spark Plugs. Equivalent Part Number(s): DENSO: IK20L, OE: 1UXH18110, OE: 55564763, OE: MZ602085, NGK: 1748. Labour claims and consequential loss claims are never accepted.