Bosch Oxygen Sensor - Mounts After Catalytic - E36 318i M44, E38 750il, E53 X5 4.4i 4.6is

Bosch Oxygen Sensor - Post-Cat

Signs of an O2 sensor failure include worse fuel economy, lack of torque, hard starting, and fault codes for the sensor(s). It is a good idea to replace the O2 sensor at regular intervals rather than waiting for a failure. Since the performance degrades over time you may not even notice the loss in performance or economy.

This part is listed by BMW as BMW part number 11781739845 and is described as Bosch Oxygen Sensor - Mounts After Catalytic - E36 318i M44, E38 750il, E53 X5 4.4i 4.6is. 

For full BMW fitment information or for assistance from one of our BMW experts, we recommend calling us at 877-639-9648.

BMW Fitments:

3 Series
E36 (92-99) > 318i M44
E36 (92-99) > 318ic M44
E36 (92-99) > 318is M44
3 Series
E36/5 (95-99) > 318ti M44
7 Series
E38 (95-01) > 750iL
X5 Series
E53 X5 (00-06) > X5 4.4i M62 4.4L (99-03)
E53 X5 (00-06) > X5 4.6is M62