I'm sharing this Video for anyone going through the Precat O2 sensor replacement. I learned a good lesson the hard way. i'm sorry for any missing segemnts of the video as i wasn't able to record them due to lack of space and working alone. i hope this video helps in any way and thank you for supporting the channel.

Tools listed in the video:

BMW O2 sensor socket: https://www.fcpeuro.com/products/bmw-...

BMW recommended swivel adapter: https://www.baumtools.com/shop/bmw-to...

O2 sensor socket similar to what I used: https://www.harborfreight.com/3-8-eig...

Swivel jooint adapter: https://www.harborfreight.com/univers...