{"product_id":"bosch-13949-oxygen-sensor","title":"Bosch 13949 Oxygen Sensor - Upstream","description":"\u003ch2\u003eOverview of Bosch Actual OE Oxygen Sensor 13949\u003c\/h2\u003e\u003cp\u003eThe Bosch Actual OE Oxygen Sensor 13949 is designed specifically for BMW M3 and Z3 models, ensuring precise emission control and optimal engine performance. This narrow-band heated oxygen sensor features a threaded mounting type and a 29.4-inch wiring harness for straightforward installation.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with BMW M3 and Z3 models\u003c\/li\u003e\n\u003cli\u003ePart number 13949 for exact fitment\u003c\/li\u003e\n\u003cli\u003eNarrow-band heated oxygen sensor type\u003c\/li\u003e\n\u003cli\u003eThreaded mounting with 18 mm thread diameter\u003c\/li\u003e\n\u003cli\u003e29.4-inch wiring harness included with 4-pin female connector\u003c\/li\u003e\n\u003cli\u003eSteel housing with 22 mm hex size for installation\u003c\/li\u003e\n\u003cli\u003eStandard replacement grade for reliable performance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Bosch Actual OE Oxygen Sensor 13949 is engineered to meet OEM specifications for BMW vehicles, particularly the M3 and Z3 models. This sensor uses a narrow-band heated design to provide accurate air-fuel mixture readings, which are critical for emission control systems. The sensor features a 4-wire configuration with a female 4-pin round connector, ensuring compatibility with the vehicle’s wiring harness. Its steel housing and metal construction provide durability and resistance to harsh engine conditions. The threaded mounting type with an 18 mm thread diameter and 22 mm hex size allows for secure and precise installation. The overall length of 33.1 inches and wiring harness length of 29.4 inches provide sufficient reach for proper placement within the exhaust system.\u003c\/p\u003e\u003ch2\u003eAbout the Bosch Actual OE Oxygen Sensor Product Line\u003c\/h2\u003e\u003cp\u003eThe Actual OE Oxygen Sensor line by Bosch is designed to offer direct replacement parts that match original equipment specifications. This product line focuses on delivering sensors that maintain factory performance and reliability, making it suitable for professional repairs and maintenance. The 13949 sensor exemplifies this approach by providing a standard replacement grade sensor with exact fitment for BMW M3 and Z3 models.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores accurate oxygen sensing for proper engine management\u003c\/li\u003e\n\u003cli\u003eResolves check engine light triggers related to oxygen sensor faults\u003c\/li\u003e\n\u003cli\u003eImproves fuel efficiency by ensuring correct air-fuel mixture readings\u003c\/li\u003e\n\u003cli\u003eReduces harmful emissions by maintaining proper catalytic converter function\u003c\/li\u003e\n\u003cli\u003eEliminates rough idling or engine hesitation caused by faulty sensors\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure vehicle compatibility with BMW M3 and Z3 models 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 connecting\u003c\/li\u003e\n\u003cli\u003eReplace sensor when engine is cool to prevent burns and sensor damage\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eBosch oxygen sensors, including the Actual OE Oxygen Sensor 13949, are manufactured to meet strict quality standards for durability and performance. This sensor is a standard replacement grade part designed to provide reliable operation consistent with original equipment. Warranty coverage details should be confirmed with the point of purchase or Bosch directly.\u003c\/p\u003e","brand":"Bosch","offers":[{"title":"Default Title","offer_id":44520487256245,"sku":"BBHK-13949","price":136.35,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/BS_13949_Fro.jpg?v=1775059363","url":"https:\/\/www.partcatalog.com\/products\/bosch-13949-oxygen-sensor","provider":"PartCatalog","version":"1.0","type":"link"}