BMW N52 Engine Oxygen Sensor Replacement DIY (2006-2011 BMW E90, E91, E92, E87, E60)
►Your BMW N52 will likely require an oxygen sensor change once you get beyond the 100,000-mile mark if it hasn't already. The O2 sensors read the oxygen content in the exhaust gasses and relay the data back to the engine computer, which uses that data to adjust the ignition timing and fuel delivery for the best performance at the given moment. If an oxygen sensor goes bad, the ECU's calibrations become skewed, and the engine cannot run properly or efficiently.
Luckily, an oxygen sensor replacement isn't the toughest job in the world. The N52 engine and BMW's engine bay can make replacement a little tricky, but nothing that requires major engineering and wrenching skill to replace. However, before performing the job, ensure you know which sensor needs replacing. The upstream and downstream sensors give off different readings and are slightly different sensors that are not interchangeable.
In this video, Mike Hidalgo, FCP Euro's Professional DIY'er, replaces the oxygen sensors on a BMW E91 328xi.
00:00 - Intro
01:49 - Tools Needed
03:03 - BMW E91 Underbelly Pan Removal
04:08 - BMW E91 Oxygen Sensor Replacement (left bank)
10:49 - BMW E91 Oxygen Sensor Replacement (right bank)
13:40 - BMW E91 Engine Cover Removal
16:15 - BMW E91 Oxygen Sensor Connector Replacement
29:11 - Wrap-up
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This video applies to the following vehicles:
The kit is applicable to the following vehicles:
BMW 325xi
2006 BMW 325xi
BMW 330xi
2006 BMW 330xi
BMW 328xi
2007 BMW 328xi
2008 BMW 328xi
BMW 335xi
2007 BMW 335xi
2008 BMW 335xi
BMW 328i xDrive
2009 BMW 328i xDrive it
2010 BMW 328i xDrive
2011 BMW 328i xDrive
2012 BMW 328i xDrive
2013 BMW 328i xDrive
BMW 335i xDrive
2009 BMW 335i xDrive
2010 BMW 335i xDrive
2011 BMW 335i xDrive
2012 BMW 335i xDrive
2013 BMW 335i xDrive
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