{"product_id":"walker-250-25089-oxygen-sensor","title":"Walker 250-25089 Oxygen Sensor - Upstream or Upstream Right","description":"\u003ch2\u003eOverview of Walker Products OE Oxygen Sensor 250-25089\u003c\/h2\u003e\u003cp\u003eThe Walker Products OE Oxygen Sensor 250-25089 is designed specifically for a range of BMW models, including the 228i, 320i, 328i, 335i, and others. This heated oxygen sensor features a threaded mounting type and a radiused polygon male connector, ensuring precise fitment and reliable performance in emission control systems.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHeated oxygen sensor for accurate emissions monitoring\u003c\/li\u003e\n\u003cli\u003eSpecific fit for multiple BMW models including 3 Series, 4 Series, 5 Series, and more\u003c\/li\u003e\n\u003cli\u003e15.87-inch wiring harness length with 5 wires of 20 gauge\u003c\/li\u003e\n\u003cli\u003eThreaded mounting with 18.0 mm thread diameter for secure installation\u003c\/li\u003e\n\u003cli\u003eRadiused polygon male connector for proper electrical connection\u003c\/li\u003e\n\u003cli\u003eOverall length of 19.41 inches for optimal placement\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Features and Specifications\u003c\/h2\u003e\u003cp\u003eThis oxygen sensor from Walker Products OE is engineered with a 5-wire heated sensor design, which helps the sensor reach operating temperature quickly for accurate oxygen level readings. The 20 gauge wire ensures durability and reliable signal transmission. The 15.87-inch wiring harness length provides sufficient reach for installation in the specified BMW models. The sensor’s threaded mounting type with an 18.0 mm diameter allows for a secure and precise fit, reducing the risk of leaks or sensor misalignment. The radiused polygon male connector is designed to match the original equipment specifications, ensuring compatibility and ease of connection.\u003c\/p\u003e\u003ch2\u003eCompatible BMW Models and Applications\u003c\/h2\u003e\u003cp\u003eThis oxygen sensor 250-25089 is compatible with a wide range of BMW vehicles, including but not limited to:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBMW 228i and 228i xDrive\u003c\/li\u003e\n\u003cli\u003eBMW 320i and 320i xDrive\u003c\/li\u003e\n\u003cli\u003eBMW 328i, 328i xDrive, and 328i GT xDrive\u003c\/li\u003e\n\u003cli\u003eBMW 335i and 335i xDrive\u003c\/li\u003e\n\u003cli\u003eBMW 428i, 428i Gran Coupe, and 428i xDrive Gran Coupe\u003c\/li\u003e\n\u003cli\u003eBMW 435i and 435i xDrive Gran Coupe\u003c\/li\u003e\n\u003cli\u003eBMW 528i, 528i xDrive, 535i, and 535i GT xDrive\u003c\/li\u003e\n\u003cli\u003eBMW 640i, 640i Gran Coupe, and 640i xDrive Gran Coupe\u003c\/li\u003e\n\u003cli\u003eBMW 740i, 740Li xDrive, ActiveHybrid 3, 5, and 7\u003c\/li\u003e\n\u003cli\u003eBMW i3, i3s, i8, M2, M3, M4, M235i, M235i xDrive\u003c\/li\u003e\n\u003cli\u003eBMW X1, X3, X4, X5, X6, and Z4\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCommon Issues Addressed by This Oxygen Sensor\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eIncorrect air-fuel mixture readings causing poor engine performance\u003c\/li\u003e\n\u003cli\u003eCheck engine light triggered by faulty oxygen sensor signals\u003c\/li\u003e\n\u003cli\u003eIncreased emissions due to sensor malfunction\u003c\/li\u003e\n\u003cli\u003eReduced fuel efficiency from inaccurate oxygen level detection\u003c\/li\u003e\n\u003cli\u003eFailed emissions tests related to sensor degradation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Walker Products OE oxygen sensor 250-25089, ensure the vehicle is cool to avoid burns. Use the correct socket size for the 18.0 mm threaded sensor to prevent damage. Verify the connector shape and gender match the vehicle’s wiring harness to ensure proper electrical connection. It is recommended to inspect the wiring harness for any damage before installation. Proper torque specifications should be followed to avoid sensor or exhaust manifold damage.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eWalker Products OE oxygen sensors are manufactured to meet or exceed OEM specifications, providing reliable performance and durability. This sensor undergoes rigorous testing to ensure accurate emissions control and long service life. While specific warranty details are not provided here, Walker typically offers coverage against defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.\u003c\/p\u003e","brand":"Walker","offers":[{"title":"Default Title","offer_id":43533280575669,"sku":"DKHD-250-25089","price":108.15,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/O2_25025089_Fro_510043fd-e5fc-4e21-9a54-d9ce53cb85b9.jpg?v=1774891793","url":"https:\/\/www.partcatalog.com\/products\/walker-250-25089-oxygen-sensor","provider":"PartCatalog","version":"1.0","type":"link"}