Bosch Oxygen Sensor; Rear Manifold before Cat; 910mm | 17099
Make Sure It Fits
Oxygen (O2) sensors are emissions control sensors that detect levels of oxygen in an engine's exhaust. When the element inside the O2 sensor heats up, oxygen flowing through the sensor causes the element to create electricity. This electrical current is sent to the engine's computer and converted to an oxygen level reading. Some O2 sensors are equipped with a heating element to speed up the oxygen-sensing process, while others rely on the engine's exhaust to heat them.
O2 sensors are one of the more commonly failed sensors in a BMW emissions control system. Continuous exposure to exhaust temperatures ranging from 300°-700° Fahrenheit over time causes the sensor element to lose its ability to create voltage, making the sensor give incorrect readings. When this happens, the engine computer operates the fuel injectors on preset fault parameters and turns the check engine light on with a fault code. If an O2 sensor behind the catalytic converter fails, the ECM may turn on the check engine light with a fault code for the catalytic converter because the faulty O2 sensor reading gives the appearance that the catalytic converter is not functioning.
Failed O2 sensors will often result in a lack of engine power that is not usually noticed but a decrease in fuel economy, that is. If your check engine light is on and your BMW is driving normally, you should still have the fault code checked, as it could very well be an O2 sensor that failed and is causing your vehicle to consume excessive fuel.
View more BMW O2 Sensors.
Frequently Viewed Together
We found 10 additional part(s) that are frequently viewed together.
- 17098 OEM1 per car.$85.99Reg$89.57List$377.8716796 OEMReplacement version may not be identical to original. 1 per car.$110.99Reg$115.61List$309.26
- 16413 OEMLatest replacement version from Bosch may vary slightly in appearance...$113.99Reg$118.74List$155.40$56.99Reg$59.36List$145.69
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What This Bosch Oxygen Sensor Fits?
Application information below is for reference only and should not be used to determine the exact vehicle fitment. Please use the "Make Sure It Fits" vehicle selection box above to determine the exact fitment and review any application notes. If you need any help determining if this part works with your vehicle, please don't hesitate to contact us.
Front ~ Length=910mm Located at Rear Manifold; Manufacturer Body Code: E88
Front ~ Length=910mm Located at Rear Manifold; Body Type: Coupe; Manufacturer Body Code: E92
Front ~ Length=910mm Located at Rear Manifold; Body Type: Sedan; Manufacturer Body Code: E90
Front ~ Length=910mm Located at Rear Manifold; Body Type: Wagon; Manufacturer Body Code: E91
Rear ~ Before Catalyst in Exhaust Manifold; Body Type: Coupe