Bosch 17281 oxygen sensor for the 2014-2018 BMW X5 6-cylinder 3.0L and other vehicles is a wide-band sensor that reports the air-fuel ratio to the ECU. That gives the engine computer more detailed feedback than a traditional switching sensor, which helps support fuel efficiency and lower emissions.
- Continuous, high-precision readings across the full lambda range
- Reaches operating temperature in less than 7 seconds for quick closed-loop control
- Withstands exhaust streams up to 1,880°F
- Metal housing, integrated heater element and TSP coating resist vibration, corrosion and contamination
Quick facts
- Part: Bosch 17281 oxygen sensor
- Fits: 2014-2018 BMW X5 6-cylinder 3.0L and other vehicles
- Position: Upstream, downstream
- Material: Metal housing
- Condition: New
A lit check engine light, worse fuel economy or a rough idle can mean a wide-band sensor is slow or failing. A damaged harness can skew readings too, so with the engine off and cool, look over the wiring and connector for melted insulation or cracks before you replace the sensor.
Fits
The 2014-2018 BMW X5 6-cylinder 3.0L, the 2012-2016 Mercedes-Benz E300 V6 3.5L and the 2012-2016 Mercedes-Benz E350 V6 3.5L are among the vehicles this sensor fits, along with many other BMW and Mercedes-Benz models. Don't see your car here? Run its year and engine through the "Vehicles it fits" section.
Specifications
Fit and size
- Position: upstream, downstream
- Quantity per vehicle: varies by vehicle
- Thread size: M18 - 1.5
- Hex size: 22 mm
- Length (sealing surface to end of connector): 19.8 in
- Overall length: 20.9 in
- Terminal quantity: 6
Build and materials
- Sensor type: wide-band
- Mounting type: threaded
- Housing material: metal
- Coating: TSP
- Wiring harness: included
- Condition: new
- Warranty: Bosch 1-year, unlimited-mileage warranty for non-commercial passenger cars and light trucks
In the box
One wide-band oxygen sensor with its wiring harness. The 2014-2018 BMW X5 6-cylinder 3.0L takes one sensor, and the 2012-2016 Mercedes-Benz E300 V6 3.5L and 2012-2016 E350 V6 3.5L take two.
Installation notes
- Direct-fit connectors for quick installation.
- Conductive anti-seize is pre-applied to the threads.
Frequently Asked Questions
Is this the right oxygen sensor for the 2014-2018 BMW X5 6-cylinder 3.0L?
Yes. Bosch 17281 fits the 2014-2018 BMW X5 6-cylinder 3.0L, which takes one sensor per vehicle.
Does this oxygen sensor fit the 2012-2016 Mercedes-Benz E350 V6 3.5L?
Yes. Bosch 17281 fits the 2012-2016 Mercedes-Benz E350 V6 3.5L, which takes two sensors. This listing holds one sensor.
Is this Bosch premium oxygen sensor a wide-band or a switching type?
It is a wide-band sensor, not a switching type. It reads the air-fuel ratio continuously across the full lambda range and gives the ECU more detailed data than a traditional switching sensor.
Does this Bosch O2 sensor come with anti-seize on the threads?
Yes. The M18 - 1.5 threads carry pre-applied conductive anti-seize, and the sensor has direct-fit connectors and a wiring harness.
What thread and wrench size does this oxygen sensor use?
Bosch 17281 has an M18 - 1.5 thread and a 22 mm hex. Its length from the sealing surface to the end of the connector is 19.8 in.
