Manufacturers suggest changing oil at least once a year, but let's see what the lab results say!

NOTE:
These tests are based on my car and the way I drive it. Your results may vary drastically.

LINKS:
Oil analysis video Part 1:    • Are You Changing Oil Too Often? You'l...  
Oil Analysis Video PART 3:    • Change Oil Or Just Keep Topping Off? ...  
Oil Change Video:    • BMW Oil Change - Easy Step-by-Step Gu...  
Castrol Edge 5w-30 (used in this video): https://amzn.to/437qe8c
Castrol Edge 5w-30 LL (even better - BMW recommended): https://amzn.to/43rTFBG
Oil filters (e46): https://amzn.to/3J1VSta
Crush Washers: https://amzn.to/32X9rec
Floor jack (standard): https://amzn.to/3gjrL47
Floor jack (low profile): https://amzn.to/37D10qc
Jack stands: https://amzn.to/3Pz5NN3
Low profile ramps: https://amzn.to/41Lgi2u
Fluid catch pan: https://amzn.to/3AjAwFN
Vacuum fluid extractor: https://amzn.to/43lScfW
Drop light: https://amzn.to/3uoiwIo
Creeper: https://amzn.to/3sgEE4q
Gloves (nitrile): https://amzn.to/3IUg00c
Safety glasses: https://amzn.to/35AO9ns
Socket wrench set: https://amzn.to/3EP9kBW
36mm socket (oil filter lid): https://amzn.to/42g6K00
Breaker Bar: https://amzn.to/348rIWD
Torque Wrench: https://amzn.to/3ooqxJl
Get your own automotive fluid analysis: https://www.blackstone-labs.com/
Sources of metals in engine oil: http://wearcheck.com/virtual_director...
Amazon Prime Student Discount: https://amzn.to/3YzZNXk
Amazon Prime Discount for people with SNAP, Medicaid, etc.: https://amzn.to/3sfQpvW

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Special thanks to Scotty Kilmer for inspiring the name of this channel.
   / @scottykilmer  


**This video description contains affiliate links, which means that if you click on one of the product links and make a purchase, I'll receive a small commission at no additional cost to you. This helps support the channel and allows me to continue making videos like this.

*Disclaimer*
Due to the litigious world we live in, I have to include this statement:
I cannot guarantee against improper use or unauthorized modifications of this information. The creator of this content assumes no liability for property damage or injury incurred as a result of any of the information contained in this video. Use this information at your own risk. I recommend safe practices when working on vehicles and or with tools seen or implied in this video. No information contained in this video shall create any expressed or implied warranty or guarantee of any particular result. Any injury, damage, or loss that may result from improper use of these tools, equipment, or from the information contained in this video is the sole responsibility of the user and not the creator of this content.