Analysis of three used oil samples in my quest to find the perfect oil change interval.

NOTE:
A few things I forgot to mention in the video:
1. I've never needed to add oil between changes. This engine doesn't seem to burn or leak a significant amount of oil.
2. Regardless of how much you drive, the oil should be changed once per year to remove moisture and contaminates. OR SHOULD IT? Check out Part 2 for the test!
3. Every motor is a little different depending on its health and how it has been maintained. The results gathered in this video may not be repeatable in all BMW M52 engines.

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LINKS:
Oil Analysis Video PART 2: https://youtu.be/7hJU112oUg8?si=LgVlKmMlWNjT2eKw
Oil Analysis Video PART 3: https://www.youtube.com/watch?v=caBVbGYHB4k
Oil Change Video: https://www.youtube.com/watch?v=qIRasAJH-e8
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
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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_d....irectories/Literatur
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**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 make 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.