Oxygen Sensor - After Cat - Cylinders 4-6 E60 E61 525i 530i

Bosch Oxygen Sensor - After Catalytic Converter - Bank 2, Sensor 2 (Cyl 4-6)

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 11787544655 and is described as Oxygen Sensor (O2) L= 380mm - 11787544655. 

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) > 525i N52 (2006-2007)
E60 / E61 (04-10) > 525xi N52 (2006-2007)
E60 / E61 (04-10) > 528i
E60 / E61 (04-10) > 528xi
E60 / E61 (04-10) > 530i N52 (2006-2007)
E60 / E61 (04-10) > 530xi N52 (2006-2007)