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The NGK spark plug wire set for BMW M3 (1988–1991) employs tinned copper core construction with OE-quality connectors for reliable fit and durability. A high-temp silicone outer jacket and EPDM/silicone inner insulation retain dielectric strength while RFI suppression near the connectors reduces electrical noise. This four-wire kit includes a coil lead and carries a limited lifetime warranty.
NGK BMW M3 1991-1988 Spark Plug Wire Set
