Bmw E46 O2 Sensor Wiring Diagram

The wire harness is secured to the engine block as shown in this picture.

Bmw e46 o2 sensor wiring diagram. Remove the old bmw 3 series oxygen sensor. Oem bmw e36 3 series wiring diagrams are helpful when diagnosing and troubleshooting electrical issues or wiring electrical components. Off topic e90 e91 e92 e93 2006 2013 e39 1997 2003 e46 1999 2006 e36 1991 1999 recommended communities. Bimmerforums the ultimate bmw forum f05 2002 e46 alternator wiring diagram resources e30 e36 replacement and troubleshooting 3 series linz full version hd quality base website diagrams pdf bimmertips com 325i 6 volt charging system 318i yr 5327 also o2 sensor on delphi bimmerforums the ultimate bmw forum f05 2002 bmw e46 alternator wiring diagram resources bmw e30 read more.

Jump to latest follow. Replace the oxygen sensor socket on the sensor and break it loose. Hey i have bmw and bank2 o2 sensor wire got. I have an e46 2001 325i.

The purpose of the manual is to show electrical schematics in a manner that makes electrical troubleshooting easier. Disconnect the o2 sensor. Programming performance modifications classifieds troubleshooting maintenance and more. Do you have a wiring diagram for the o2 sensors.

The heated o2 sensor status monitor will not register as complete. I really need to get my car smogged and it has been over a month. These are official bmw wiring diagrams and fuse charts from bmw north america. O2 sensor wiring help.

3 series e30 316 83 to 88 316i 88 to 91 318i 83 to 91 320i 87 to 91 325i 87 to 91 also touring and convertible versions of these models 5 series e28 518 81 to 85 518i 85 to 88 525i 81 to 88 528i 81 to 88 535i 85 to 88 m535i 85 to 88 5 series e34 518i 90 to 91 520i 88 to 91 525i 88. The heated circuit on the o2 sensors is simply just for that to heat the element to get it to operating temp faster in order to reduce emissions by going in to closed loop operation more quickly. There are 4 wires 1 heated circuit power 1 heated circuit ground 1 sensor signal ground and 1 sensor circuit signal feed. Bmw electrical systems wiring diagram models covered.

Install a new o2 sensor. For the bmw 3 e46 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 model year.