{"product_id":"bosch-15109-oxygen-sensor","title":"Bosch 15109 Oxygen Sensor - Downstream","description":"\u003ch2\u003eOverview of Bosch Actual OE Oxygen Sensor 15109\u003c\/h2\u003e\u003cp\u003eThe Bosch Actual OE Oxygen Sensor 15109 is designed for precise emission control in select BMW and Land Rover models. This narrow-band heated oxygen sensor ensures accurate air-fuel mixture readings to maintain optimal engine performance and emissions compliance.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSpecific fit for BMW 320i, 323Ci, 323i, 325Ci, 325i, 325xi, 328Ci, 328i, 330Ci, 330i, 330xi, 525i, 528i, 530i and Land Rover Range Rover, X3, X5, Z3, Z4\u003c\/li\u003e\n\u003cli\u003eHeated narrow-band oxygen sensor type for reliable operation\u003c\/li\u003e\n\u003cli\u003eThreaded mounting with 18 mm thread diameter and 22 mm hex size\u003c\/li\u003e\n\u003cli\u003e35.9-inch wiring harness length with 4-wire blade terminals and round male connector\u003c\/li\u003e\n\u003cli\u003eStandard replacement grade with metal housing and steel finish\u003c\/li\u003e\n\u003cli\u003eIncludes wiring harness for direct installation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eAbout the Bosch Actual OE Oxygen Sensor Product Line\u003c\/h2\u003e\u003cp\u003eThe Actual OE Oxygen Sensor line by Bosch is engineered to meet original equipment specifications, providing a direct replacement for factory-installed sensors. This ensures compatibility and performance consistency for vehicles requiring precise emission control components. The 15109 sensor maintains the integrity of the vehicle’s emission system by delivering accurate oxygen level readings, essential for engine management systems in BMW and Land Rover models.\u003c\/p\u003e\u003ch2\u003eDetailed Product Description and Features\u003c\/h2\u003e\u003cp\u003eThis Bosch oxygen sensor features a narrow-band heated design, which allows it to reach operating temperature quickly for accurate measurement of exhaust oxygen content. The sensor’s metal housing and steel finish provide durability under high-temperature conditions. It includes a 35.9-inch wiring harness with four wires and blade terminals, terminating in a round male connector for a secure and specific fit. The threaded mounting type with an 18 mm diameter and 22 mm hex size facilitates straightforward installation. Weighing approximately 0.35 pounds, this sensor is engineered for precise fitment and reliable function in the specified BMW and Land Rover models.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores accurate air-fuel ratio readings for improved engine efficiency\u003c\/li\u003e\n\u003cli\u003eResolves check engine light triggers related to oxygen sensor faults\u003c\/li\u003e\n\u003cli\u003eHelps reduce vehicle emissions to meet regulatory standards\u003c\/li\u003e\n\u003cli\u003ePrevents rough idling and poor fuel economy caused by faulty sensors\u003c\/li\u003e\n\u003cli\u003eSupports proper catalytic converter operation by providing correct sensor data\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure vehicle compatibility with Bosch part number 15109 before installation\u003c\/li\u003e\n\u003cli\u003eUse a 22 mm oxygen sensor socket for removal and installation\u003c\/li\u003e\n\u003cli\u003eDo not overtighten; torque to manufacturer specifications to avoid damage\u003c\/li\u003e\n\u003cli\u003eInspect wiring harness and connector for damage before installation\u003c\/li\u003e\n\u003cli\u003eAllow the engine to cool before replacing the sensor to prevent burns\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eBosch oxygen sensors are manufactured to meet strict quality standards, ensuring reliable performance and durability. The Actual OE Oxygen Sensor 15109 is a standard replacement part designed to match OEM specifications. While specific warranty details may vary, Bosch typically offers coverage against defects in materials and workmanship to provide confidence in the product’s longevity and function.\u003c\/p\u003e","brand":"Bosch","offers":[{"title":"Default Title","offer_id":44520501313717,"sku":"BBHK-15109","price":92.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/BS_15109_Fro.jpg?v=1775059380","url":"https:\/\/www.partcatalog.com\/products\/bosch-15109-oxygen-sensor","provider":"PartCatalog","version":"1.0","type":"link"}