![bmw - Shouldn't my post-cat O2 sensors (lambda probes) be reporting varying numbers? - Motor Vehicle Maintenance & Repair Stack Exchange bmw - Shouldn't my post-cat O2 sensors (lambda probes) be reporting varying numbers? - Motor Vehicle Maintenance & Repair Stack Exchange](https://i.stack.imgur.com/w7INX.png)
bmw - Shouldn't my post-cat O2 sensors (lambda probes) be reporting varying numbers? - Motor Vehicle Maintenance & Repair Stack Exchange
![BMW E46 Oxygen Sensor Replacement | BMW 325i (2001-2005), BMW 325Xi (2001-2005), BMW 325Ci (2001-2006), BMW 325ti (2001-2004) | Pelican Parts Technical Article BMW E46 Oxygen Sensor Replacement | BMW 325i (2001-2005), BMW 325Xi (2001-2005), BMW 325Ci (2001-2006), BMW 325ti (2001-2004) | Pelican Parts Technical Article](https://cdn4.pelicanparts.com/BMW/techarticles/BMW-3-Series-E46/26-FUEL-Oxygen_Sensor_Replacement/images_med/pic06.jpg)
BMW E46 Oxygen Sensor Replacement | BMW 325i (2001-2005), BMW 325Xi (2001-2005), BMW 325Ci (2001-2006), BMW 325ti (2001-2004) | Pelican Parts Technical Article
![BMW E46 Oxygen Sensor Replacement | BMW 325i (2001-2005), BMW 325Xi (2001-2005), BMW 325Ci (2001-2006), BMW 325ti (2001-2004) | Pelican Parts Technical Article BMW E46 Oxygen Sensor Replacement | BMW 325i (2001-2005), BMW 325Xi (2001-2005), BMW 325Ci (2001-2006), BMW 325ti (2001-2004) | Pelican Parts Technical Article](https://cdn4.pelicanparts.com/BMW/techarticles/BMW-3-Series-E46/26-FUEL-Oxygen_Sensor_Replacement/images_large/pic08.jpg)
BMW E46 Oxygen Sensor Replacement | BMW 325i (2001-2005), BMW 325Xi (2001-2005), BMW 325Ci (2001-2006), BMW 325ti (2001-2004) | Pelican Parts Technical Article
![BMW E46 Oxygen Sensor Replacement | BMW 325i (2001-2005), BMW 325Xi (2001-2005), BMW 325Ci (2001-2006), BMW 325ti (2001-2004) | Pelican Parts Technical Article BMW E46 Oxygen Sensor Replacement | BMW 325i (2001-2005), BMW 325Xi (2001-2005), BMW 325Ci (2001-2006), BMW 325ti (2001-2004) | Pelican Parts Technical Article](https://cdn4.pelicanparts.com/BMW/techarticles/BMW-3-Series-E46/26-FUEL-Oxygen_Sensor_Replacement/images_med/pic02.jpg)
BMW E46 Oxygen Sensor Replacement | BMW 325i (2001-2005), BMW 325Xi (2001-2005), BMW 325Ci (2001-2006), BMW 325ti (2001-2004) | Pelican Parts Technical Article
![Misfires in all of bank 2 with fuel cut off and this o2 sensor (bank 2 sensor 1 pre cat) has oil come out of it. Like I literally saw a drop Misfires in all of bank 2 with fuel cut off and this o2 sensor (bank 2 sensor 1 pre cat) has oil come out of it. Like I literally saw a drop](https://preview.redd.it/a99e18zyn1v61.jpg?auto=webp&s=d3090f61b2087adc12f30fb7d4b8c4cfca6b141a)
Misfires in all of bank 2 with fuel cut off and this o2 sensor (bank 2 sensor 1 pre cat) has oil come out of it. Like I literally saw a drop
![Amazon.com: Dropwater 2pcs O2 Sensor 234-5137 234-4473 Replacement for BMW 2003-2006 325CI 330CI, 2003-2005 325I 330I, 2004-2005 525I 530I Upstream and Downstream O2 Sensor : Automotive Amazon.com: Dropwater 2pcs O2 Sensor 234-5137 234-4473 Replacement for BMW 2003-2006 325CI 330CI, 2003-2005 325I 330I, 2004-2005 525I 530I Upstream and Downstream O2 Sensor : Automotive](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T2/images/I/61XriIhtK3L.jpg)
Amazon.com: Dropwater 2pcs O2 Sensor 234-5137 234-4473 Replacement for BMW 2003-2006 325CI 330CI, 2003-2005 325I 330I, 2004-2005 525I 530I Upstream and Downstream O2 Sensor : Automotive
![BMW E46 Oxygen Sensor Replacement | BMW 325i (2001-2005), BMW 325Xi (2001-2005), BMW 325Ci (2001-2006), BMW 325ti (2001-2004) | Pelican Parts Technical Article BMW E46 Oxygen Sensor Replacement | BMW 325i (2001-2005), BMW 325Xi (2001-2005), BMW 325Ci (2001-2006), BMW 325ti (2001-2004) | Pelican Parts Technical Article](https://cdn4.pelicanparts.com/BMW/techarticles/BMW-3-Series-E46/26-FUEL-Oxygen_Sensor_Replacement/images_med/pic03.jpg)