Dec 25, 2010 · I've done post-cat O2 sensors replacement today. Took me about 3 hours total, but I wasn't in hurry and did everything slowly, to make sure I do not screw up anything. First of all, …

No description has been added to this video.

Aug 13, 2025 · Need to replace the Oxygen O2 Sensor of your BMW? This guide provides instructions on removing and changing the upstream oxygen sensor on a 2004-2013 BMW 3-Series.

Make sure your BMW engine performs as it should, and doesn't use more fuel than it needs to by simply changing your oxygen sensor today. We carry Bosch oxygen sensors, and in some cases Genuine …

When the O2 sensor can't register oxygen content before and after your catalytic converter, it doesn't know what to do with the fuel mixture and will default to run rich. Replace old failing oxygen sensors …

A-Premium O2 Oxygen Sensor Compatible with BMW E46 Series 325Ci 2003 2.5L, 325i 2003-2005 2.5L, Upstream and Downstream, 4-PC Set, Replace# 11787529980, 06A906262BC

Mar 20, 2020 · You're gonna feel like an even bigger doofus when you find out that the actual sensor (not the harness/plug) is only $20, and you can splice a new one in using the existing cable harness …

In this video I go over all the steps needed to replace both oxygen sensors on the bmw e46 platform especially for the 316i and 318i models with the M43B19TU engine.

Failing O2 sensors will trigger your BMW's check engine light, put your BMW into a lean or rich running state. This can affect gas mileage and even cause engine or cat damage. O2 sensor replacement is …

May 15, 2020 · Heater circuit codes on the O2 sensors usually pertain to the sensor or its wiring. I would replace those in pairs, with confidence after verifying the harness isn't pinched or melted.