2008 BMW M3, BMW TwinPower Turbo 10W-60, 5851 mi

Joined
Oct 20, 2005
Messages
11,902
Location
PA
Previous UOA here.

148159 miles on the engine at the time of this sample.

For once, I don't think I have anything interesting to say about this OCI. All I did was drive the car. Average fuel economy is better than it has been for most of the time I've owned the car, so maybe I'm going easier on it.

I did have to top off about a week before changing the oil. That's gotta be part of why the numbers look so good.


Wear Metals

Iron - 6
Chromium - 0
Nickel - 0
Aluminum - 2
Copper - 2
Lead - 0
Tin - 0
Cadmium - 0
Silver - 0
Vanadium - 0

Particle Quantifier (PQ) Index - 10


Contaminant Metals

Silicon - 6
Sodium - 2
Potassium - 1


Multi-Source Metals

Titanium - 47
Molybdenum - 198
Antimony - 2
Manganese - 0
Lithium - 4
Boron - 33


Additive Metals

Magnesium - 18
Calcium - 3010
Barium - 0
Phosphorus - 857
Zinc - 1034


Other Contaminants

Fuel Dilution - 1.8% (GC)
Soot - <0.1% by vol.
Water - <0.1% by vol. (FTIR)


Fluid Properties

Viscosity @ 100º C - 19.9 cSt
TBN - 6.1
Oxidation - 13
Nitration - 10
 

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