I know my lead is high at 18. I'm hoping my switch to castrol 0w40 will improve my lead count. Other M3 drivers have switched to a 0w40 oil and cut their lead levels in half. I'm going to pull a sample at 5k and see if my numbers improve.
Code:
Oil Castrol 10w-60
Miles in use 14k
Miles 42k
Sample Taken 3/14/14
ALUMINUM 7
CHROMIUM 0
IRON 11
COPPER 4
LEAD 18
TIN 0
MOLYBDENUM 150
NICKEL 0
MANGANESE 1
SILVER 0
TITANIUM 29
POTASSIUM 2
BORON 28
SILICON 5
SODIUM 5
CALCIUM 2480
MAGNESIUM 176
PHOSPHORUS 786
ZINC 922
BARIUM 0
SUS Viscosity @ 210°F 91.6
cSt Viscosity @ 100°C 18.37
Flashpoint in °F 415
Fuel %
Antifreeze % 0.0
Water % 0.0
Insolubles % 0.1
TBN 2.5
Code:
Oil Castrol 10w-60
Miles in use 14k
Miles 42k
Sample Taken 3/14/14
ALUMINUM 7
CHROMIUM 0
IRON 11
COPPER 4
LEAD 18
TIN 0
MOLYBDENUM 150
NICKEL 0
MANGANESE 1
SILVER 0
TITANIUM 29
POTASSIUM 2
BORON 28
SILICON 5
SODIUM 5
CALCIUM 2480
MAGNESIUM 176
PHOSPHORUS 786
ZINC 922
BARIUM 0
SUS Viscosity @ 210°F 91.6
cSt Viscosity @ 100°C 18.37
Flashpoint in °F 415
Fuel %
Antifreeze % 0.0
Water % 0.0
Insolubles % 0.1
TBN 2.5