Uploaded July 2017 | Updated September 2026, 2 days ago

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A DIY to replace the oxygen sensors on the BMW E39 540i and M5.

Pre-Cat Sensors (2): Bosch 13477
Post-Cat Sensors (2): Bosch 13475

Sensor Torque: 50nm (37lb-ft)


E39Source WEBSITE: E39Source.com

BMW M3Source: youtube.com/E65Source

BMW E46Source: youtube.com/user/E46Source

BMW Reviews: youtube.com/user/Steptronic87