Quote:
Originally Posted by oldbmwtech
I tracked mine 5 weekends on factory oil before changing at my 1st. oil change. No issues. Coming up on my second oil change and so far 4 track weekends no issues. I'm letting the computer tell me when I need to change it or 1 year.
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Had the oil changed in my 2024 230ix at around 600 miles.
Had a sample of the old oil and a sample of the virgin oil analyzed.
The old oil's viscosity was 7.3 at 100C; the virgin oil's viscosity was 8.5 at 100C.