Bosch Oxygen Sensor - Before Catalytic Converter - Bank 2

Bosch Oxygen Sensor - Before Catalytic Converter - Bank 2, Sensor 1 (Cyl. 5-8)

Only For Cars With Automatic Transmission

Signs of an O2 sensor failure include decreased 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 11787521705 and is described as Oxygen Sensor (O2), Grey L= 620mm - 11787521705 - E63,E65. 

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

BMW Fitments:

5 Series
E60 / E61 (04-10) > 545i
6 Series
E63 / E64 (04-10) > 645Ci
7 Series
E65 / E66 (02-08) > 745Li
E65 / E66 (02-08) > 745i
E65 / E66 (02-08) > 760Li