{"product_id":"denso-234-4877-oxygen-sensor","title":"Denso 234-4877 Oxygen Sensor - Downstream or Downstream Right","description":"\u003ch2\u003eOverview of the Denso OE Style Oxygen Sensor 234-4877\u003c\/h2\u003e\u003cp\u003eThe Denso OE Style Oxygen Sensor 234-4877 is designed specifically for select BMW models, including the 323i, 525i, 525xi, 530i, 530xi, 550i, 650i, 750i, and 750Li. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by monitoring exhaust gases precisely.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHeated sensor type for faster response times\u003c\/li\u003e\n\u003cli\u003eSpecific fit for BMW 323i, 525i, 525xi, 530i, 530xi, 550i, 650i, 750i, and 750Li\u003c\/li\u003e\n\u003cli\u003eThreaded mounting type with 0.708 inch thread diameter\u003c\/li\u003e\n\u003cli\u003eFour-wire design with female connector for secure connection\u003c\/li\u003e\n\u003cli\u003eWiring harness length of 17.13 inches for proper installation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Features and Specifications\u003c\/h2\u003e\u003cp\u003eThis oxygen sensor from Denso’s OE Style line is engineered to meet original equipment specifications, providing reliable emissions feedback to the engine control unit. The heated sensor element allows the sensor to reach operating temperature quickly, improving fuel efficiency and reducing emissions. The four-wire configuration supports both the sensor signal and heater circuit, while the female connector ensures compatibility with factory wiring harnesses. The threaded mounting type with a 0.708 inch diameter allows for secure and precise installation in the exhaust system.\u003c\/p\u003e\u003ch2\u003eAbout the Denso OE Style Product Line\u003c\/h2\u003e\u003cp\u003eThe OE Style product line by Denso focuses on delivering parts that match original equipment quality and fitment. This line is designed to provide a direct replacement for factory components, ensuring compatibility and performance without modification. The 234-4877 oxygen sensor exemplifies this approach by offering a specific fit for various BMW models, maintaining the integrity of the vehicle’s emissions system.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores accurate oxygen sensing for proper air-fuel mixture control\u003c\/li\u003e\n\u003cli\u003eHelps resolve check engine light codes related to oxygen sensor failure\u003c\/li\u003e\n\u003cli\u003eImproves fuel economy by providing precise emissions data\u003c\/li\u003e\n\u003cli\u003eReduces harmful exhaust emissions by maintaining sensor functionality\u003c\/li\u003e\n\u003cli\u003ePrevents rough idling and engine performance issues caused by faulty sensors\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Denso 234-4877 oxygen sensor, ensure the vehicle is compatible with the specific fitment list, including BMW 323i, 525i, 525xi, 530i, 530xi, 550i, 650i, 750i, and 750Li models. Use proper tools to avoid damaging the threaded mounting. Verify the wiring harness length of 17.13 inches is sufficient for your application and confirm the female connector matches the vehicle’s harness. It is recommended to replace the sensor when the engine and exhaust system are cool to prevent injury.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDenso oxygen sensors are manufactured to meet strict quality standards and undergo rigorous testing to ensure durability and performance. The OE Style 234-4877 sensor is built to provide consistent operation under demanding conditions. Warranty coverage details should be confirmed with the original parts provider or vehicle manufacturer.\u003c\/p\u003e","brand":"Denso","offers":[{"title":"Default Title","offer_id":43978162700469,"sku":"BBNF-234-4877","price":81.58,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NP_2344877_Fro.jpg?v=1775007427","url":"https:\/\/www.partcatalog.com\/products\/denso-234-4877-oxygen-sensor","provider":"PartCatalog","version":"1.0","type":"link"}