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Old 01-25-2005, 01:02 PM
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Plaz Plaz is offline
Location: Churzee
Join Date: Dec 2001
Posts: 16,118
Mein Auto: '11 1M;'08 MCS;'02 325iT
Originally Posted by SergioK
I honestly don't fall into that category (I don't think ) yet send my oil to Blackstone at every oil change. (Used to get a TBN number every time, now I don't need it)

I had heard about these labs, before reading it on this board, from friends that are pilots/airplane owners. See, you can't just pull over and stop the engine in an airplane. Besides pulling plugs and checking their condition, oil is analyzed as well.

As for changing oil before the recommended 15k interval, unless you have it analyzed and know it's condition, then you are simply shooting in the dark and have no clue if the oil is still of use or not.

That said, with my car with my driving habits, oil can go up to a max of about 8k miles before it's basically useless.
Well, you're definitely a gearhead... I'll leave the geeky characterization to others to determine. (Raffi?)

It's also different because you track your car regularly... there's more justification to see what punishment you're doling out on your powerplant and your oil.

You're right, it's shooting in the dark. I have no clue... but 7500 seems as good an educated guess as any.
2011 1M
2008 MCS
2002 325iT
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