Oil Analysi by Blackstone Labs 2/4/04
2.5L 6-cyl / Castrol Syntec 5W/30
Averages 5,000 / 6,448 Miles on unit
Elements in PPM
Elements Averages / BMW
Aluminum 5 / 7
Chromium 1 / 0
Iron 12 / 11
Copper 9 / 8
Lead 5 / 1
Tin 1 / 0
Molybdenum 80 / 83
Nickel 1 / 0
Manganese 1 / 3
Silver 0 / 0
Titanium 0 / 0
Potassium 2 / 6
Boron 49 / 39
Silicon 6 / 8
Sodium 7 / 4
Calcium 2608 / 2463
Magnesium 193 / 141
Phosphoros 807 / 779
Zinc 972 / 941
Barium 0 / 0
Viscosity @ 210F 57-63 / 57.9
Flashpoint F >365 / 370
Fuel % <2.0 / <0.5
Antifreeze % 0 / 0.0
Water % <0.1 / 0.0
Insoluble % <0.6 / 0.3
After the sample and oil change I switched to Amsoil 5W/30, very interested in the next sample at around 14-15,000 miles.
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