Bmw E36 Oxygen Sensor Wiring Diagram

The first o2 sensor has 3 wire power the second o2 sensor has 2 wires with power the 3 and 4th oxygen sensors dont have power at all.

Bmw e36 oxygen sensor wiring diagram. Luckily with the help of some clever members of the bmw community we were able to find out some interesting info that will save hundreds of dollars. My e36 had the original siemens oxygen sensor on it and needs replacing. I have a 2001 bmw 325ci and the check engine is on for oxygen sensors. 3 series e30 316 83 to 88 316i 88 to 91 318i 83 to 91 320i 87 to 91 325i 87 to 91also 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.

Hey guys got another short video here showing you how to remove and replace a faulty mass airflow sensor maf on your 3 series bmw. How to know if oxygen sensor is bad demonstrated on bmw obd scanner used in the. Headlamp high beam relay. Air conditioning compressor clutch relay.

The car is running good and no issues but the check engine light is on and i cant pass inspection. Ive tried to fit the bosch but it seems the only difference is the fitment to the socket not the sensor the other end of it where it connects to the electrical plug. Bmw e36 oxygen sensor o2 replacement diy. Bmw electrical systems wiring diagram models covered.

Engine coolant blower motor relay ii. In this video we will show you how we diagnosed a bad down stream oxygen sensor on bmw 7 series e65 and e66. Oxygen sensor system relay. This procedure will work for e36 1992 1998 and e46 1999 2005.