NTK OE Type Oxygen Sensor

NTK OE Type Oxygen Sensor — Narrow-Band Switching Zirconia NTK is the world's largest OEM oxygen sensor manufacturer, delivering proven performance for BMW and other vehicles. This heated, narrow-band sensor maintains optimal engine performance, fuel efficiency, and emissions control by providing constant closed-loop feedback to your vehicle's ECU. Advanced ceramic sensor element with 3-stage contaminant-resistant plasma jet and deposit trap overcoat protects against poisoning. Dual-coated platinum interface and thinner ceramic element deliver fastest light-off and response times with superior durability. OE-specified, water-resistant connectors and harness hardware ensure easy installation. Engineered specifically for the aftermarket with OE fit, form, and function — meeting or exceeding OEM specifications. Specifications: 4-wire heated sensor, 550mm harness, 7/8" (22mm) wrench size, metric thread, circular male connector with female terminals. Extensive vibration and thermal shock testing during manufacturing guarantees quality and reliability. Fits BMW 1 Series M, 128i, 135i, 323i, 325i, 328i, 330i, 335i, 528i, 535i, 550i, and more (2006–2016)