The Bosch Premium Wideband A/F Oxygen (O2) Sensors (part number 17251) is a direct-fit replacement for 2019-2025 BMW vehicles with 4.4L engines.
Features:
- [OE-TRUSTED] - As the inventor of the Oxygen (O2) sensor and Wideband A/F technology, Bosch has supplied OE manufacturers for more than 50 years, providing proven quality and reliability that set the standard for modern lambda-control syste
- [LONG LIFETIME] - Built to withstand exhaust streams up to 1,880 degF, Bosch Oxygen (O2) sensors feature stainless steel housings, integrated heater elements, advanced ceramic elements, and TSP coating to resist vibration, corrosion, and cont
- [FAST RESPONSE] - Bosch Wideband A/F Oxygen (O2) sensors reach operating temperature in <7 seconds and delivers fast signal availability to the ECU, enabling quick closed-loop control for improved cold-start performance and lower emissions
- [EASY INSTALL] - Engineered for quick installation with direct-fit connectors and pre-applied conductive anti-seize on threads to ensure hassle-free replacement
- [MADE IN USA] - Bosch proudly manufactures over 90% of Oxygen (O2) sensors for the North American market out of Anderson, SC - ensuring high quality and supply reliability
Specifications:
| Number of Wires | 5 |
| Connector Type | Blade |
| Connector Shape | Oblong |
| Connector Gender | Male |
| Terminal Gender | Male |
| Heated | Yes |
| Fit Type | Direct Fit |
| Product Grade | Standard Replacement |
| Automotive Color / Finish | Steel |
| Automotive Item Weight (lbs) | 0.260145 lb |
| Hex Size (Oxygen Sensor) | 22 mm |
| Housing Material | Metal |
| Length (Sealing Surface To End Of Connector) | 35.1 in |
| Mounting Type | Threaded |
Fits: 2019-2025 BMW models including 750i xDrive, Alpina B7, Alpina B8 Gran Coupe, Alpina XB7, M550i xDrive, M850i xDrive, M850i xDrive Gran Coupe, X5 and more - 4.4L engines. Confirm your year, make, model, and engine before ordering.
Interchanges With: BMW 11787935100, BMW 11787935130
