{"product_id":"denso-234-4971-oxygen-sensor","title":"Denso 234-4971 Oxygen Sensor - Downstream","description":"\u003ch2\u003eOverview of the Denso OE Style Oxygen Sensor 234-4971\u003c\/h2\u003e\u003cp\u003eThe Denso OE Style Oxygen Sensor 234-4971 is designed specifically for select BMW and Mini models, providing precise emissions control and engine performance monitoring. This heated oxygen sensor features a threaded mounting type and a 24.25-inch wiring harness, ensuring a direct fit and reliable operation.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHeated oxygen sensor for accurate emissions feedback\u003c\/li\u003e\n\u003cli\u003eSpecific fit for BMW and Mini vehicles\u003c\/li\u003e\n\u003cli\u003e24.25-inch wiring harness length for proper installation\u003c\/li\u003e\n\u003cli\u003eThreaded mounting with 0.708-inch thread diameter\u003c\/li\u003e\n\u003cli\u003eFour-wire design with male connector for secure connection\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Features and Specifications\u003c\/h2\u003e\u003cp\u003eThe Denso OE Style 234-4971 oxygen sensor is engineered with a heated sensor element to provide faster response times and improved fuel efficiency. Its four-wire configuration supports both the sensor signal and heater circuit, essential for maintaining optimal sensor temperature. The 0.708-inch threaded mounting ensures compatibility with the exhaust system of specific BMW and Mini models, including the 335i, 435i, 640i series, and various Cooper and X series vehicles. The 24.25-inch wiring harness length allows for proper routing and connection without modification.\u003c\/p\u003e\u003ch2\u003eAbout the OE Style Product Line\u003c\/h2\u003e\u003cp\u003eThe OE Style line from Denso focuses on delivering parts that meet original equipment specifications for fit, form, and function. This oxygen sensor is part of that line, ensuring it matches the performance and durability standards expected by BMW and Mini manufacturers. The OE Style designation indicates a direct replacement part designed to integrate seamlessly with the vehicle's existing systems.\u003c\/p\u003e\u003ch2\u003eApplications and Common Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores accurate air-fuel ratio readings for engine control units\u003c\/li\u003e\n\u003cli\u003eResolves check engine light triggers related to oxygen sensor faults\u003c\/li\u003e\n\u003cli\u003eImproves fuel economy by providing precise emissions data\u003c\/li\u003e\n\u003cli\u003eReduces exhaust emissions by maintaining proper combustion\u003c\/li\u003e\n\u003cli\u003eEliminates rough idling or poor engine performance caused by faulty sensors\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Denso 234-4971 oxygen sensor, ensure the vehicle is cool to avoid burns. Use the correct socket size for the 0.708-inch threaded sensor to prevent damage. Verify the four-wire connector is securely attached and routed away from heat sources or moving parts. This sensor is a specific fit for BMW and Mini models listed, so confirm compatibility before installation.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDenso manufactures the OE Style 234-4971 oxygen sensor to meet strict quality standards, ensuring reliable performance and durability. While specific warranty details may vary, Denso parts typically come with a limited warranty covering defects in materials and workmanship. Refer to the product documentation or supplier for exact warranty terms.\u003c\/p\u003e","brand":"Denso","offers":[{"title":"Default Title","offer_id":43978878451893,"sku":"BBNF-234-4971","price":146.22,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NP_2344971_Fro_55e87c9b-e48e-4995-9498-61b8caf87f3b.jpg?v=1775007437","url":"https:\/\/www.partcatalog.com\/products\/denso-234-4971-oxygen-sensor","provider":"PartCatalog","version":"1.0","type":"link"}