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The NGK spark plug wire set for BMW 320i (1977–1979) supplies OE-fit ignition wiring tailored to those model years. Tinned copper core cables feature a high-temperature silicone outer jacket and inner EPDM/silicone insulation to resist high-voltage leakage and heat. NGK integrates RFI suppression into OE-style connectors and metallic resistor boots; spark plug boots are glued with a silicone sealer for a watertight fit. Includes 4 wires with coil lead and limited lifetime warranty.
NGK BMW 320i 1979-1977 Spark Plug Wire Set
