{"product_id":"denso-234-5165-air-fuel-ratio-sensor-upstream-left","title":"Denso 234-5165 Air \/ Fuel Ratio Sensor - Upstream Left","description":"\u003ch2\u003eOverview of Denso OE Style Air\/Fuel Ratio Sensor 234-5165\u003c\/h2\u003e\u003cp\u003eThe Denso OE Style Air\/Fuel Ratio Sensor 234-5165 is designed specifically for BMW M2, M3, and M4 models. This heated sensor ensures accurate air and fuel mixture readings to maintain optimal engine performance and emissions control.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHeated sensor type for faster response times\u003c\/li\u003e\n\u003cli\u003eSpecific fit for BMW M2, M3, and M4 vehicles\u003c\/li\u003e\n\u003cli\u003e33.39-inch wiring harness length for precise installation\u003c\/li\u003e\n\u003cli\u003eFive-wire configuration with male connector\u003c\/li\u003e\n\u003cli\u003eThread diameter of 0.708 inches for secure mounting\u003c\/li\u003e\n\u003cli\u003eRegular grade type for reliable operation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Denso 234-5165 air\/fuel ratio sensor is engineered to provide accurate oxygen level readings in the exhaust system of BMW M2, M3, and M4 models. Featuring a heated sensor element, it quickly reaches operating temperature to deliver consistent data to the engine control unit. The sensor’s 33.39-inch wiring harness length allows for proper routing and connection, while the five-wire design supports precise signal transmission. The male connector and 0.708-inch thread diameter ensure compatibility with the vehicle’s original equipment specifications. This sensor is part of Denso’s OE Style product line, which focuses on delivering components that meet original equipment standards for fit, form, and function.\u003c\/p\u003e\u003ch2\u003eAbout the OE Style Product Line\u003c\/h2\u003e\u003cp\u003eDenso’s OE Style line is developed to match the quality and specifications of original equipment parts. This ensures that the 234-5165 air\/fuel ratio sensor integrates seamlessly with the vehicle’s existing systems, providing reliable performance and durability. The OE Style designation indicates that this sensor is designed to meet the exact requirements of BMW M2, M3, and M4 models, supporting proper emissions control and engine efficiency.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores accurate air\/fuel mixture readings for optimal combustion\u003c\/li\u003e\n\u003cli\u003eResolves check engine light triggers related to oxygen sensor faults\u003c\/li\u003e\n\u003cli\u003eImproves fuel efficiency by providing precise sensor data\u003c\/li\u003e\n\u003cli\u003eHelps reduce harmful emissions by maintaining proper sensor function\u003c\/li\u003e\n\u003cli\u003ePrevents engine performance issues caused by faulty air\/fuel ratio sensing\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Denso 234-5165 sensor, ensure the wiring harness is routed without sharp bends or contact with hot engine components. The 0.708-inch thread diameter matches OEM specifications, so use appropriate tools to avoid damage during installation. Verify the male connector securely mates with the vehicle’s wiring harness to maintain proper electrical connection. It is recommended to follow BMW-specific service procedures for sensor replacement to ensure accurate calibration and system reset.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDenso manufactures the 234-5165 air\/fuel ratio sensor to meet stringent quality standards consistent with original equipment parts. The sensor undergoes rigorous testing to ensure durability and reliable performance in BMW M2, M3, and M4 vehicles. While specific warranty details are not provided here, Denso products typically come with manufacturer-backed warranties to protect against defects in materials and workmanship.\u003c\/p\u003e","brand":"Denso","offers":[{"title":"Default Title","offer_id":52163109322933,"sku":"BBNF-234-5165","price":204.02,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NP_2345165_Fro.jpg?v=1775590277","url":"https:\/\/www.partcatalog.com\/products\/denso-234-5165-air-fuel-ratio-sensor-upstream-left","provider":"PartCatalog","version":"1.0","type":"link"}