Here's another UOA for PU Euro 5W40. We drained this a little earlier than usual. About 2 months ago, the electric water pump failed while driving, and I wanted to see if any coolant was mixing with the oil.
Blackstone noted no problems, although they did note the viscosity was low.
Code:
2007 BMW 525i, N52 engine
MI on Oil 6,258
MI on Unit 93,170
Sample Date 02/08/15
Make Up Oil Added 0 qt
Oil Type PENNZOIL ULTRA EURO 5W/40
ALUMINUM 5
CHROMIUM 0
IRON 10
COPPER 15
LEAD 2
TIN 2
MOLYBDENUM 49
NICKEL 0
MANGANESE 1
SILVER 0
TITANIUM 0
POTASSIUM 2
BORON 56
SILICON 3
SODIUM 5
CALCIUM 2639
MAGNESIUM 42
PHOSPHORUS 827
ZINC 956
BARIUM 0
SUS Viscosity @ 210°F 59.3
cSt Viscosity @ 100°C 10.01
Flashpoint in °F 405
Fuel %
Antifreeze % 0.0
Water % 0.0
Insolubles 0.2
Blackstone noted no problems, although they did note the viscosity was low.
Code:
2007 BMW 525i, N52 engine
MI on Oil 6,258
MI on Unit 93,170
Sample Date 02/08/15
Make Up Oil Added 0 qt
Oil Type PENNZOIL ULTRA EURO 5W/40
ALUMINUM 5
CHROMIUM 0
IRON 10
COPPER 15
LEAD 2
TIN 2
MOLYBDENUM 49
NICKEL 0
MANGANESE 1
SILVER 0
TITANIUM 0
POTASSIUM 2
BORON 56
SILICON 3
SODIUM 5
CALCIUM 2639
MAGNESIUM 42
PHOSPHORUS 827
ZINC 956
BARIUM 0
SUS Viscosity @ 210°F 59.3
cSt Viscosity @ 100°C 10.01
Flashpoint in °F 405
Fuel %
Antifreeze % 0.0
Water % 0.0
Insolubles 0.2
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