This is from the differential in my 1994 BMW 540i. Approx 2 quart capacity or so.
Time on oil: 14 months
Miles on oil: 6,862
Iron: 252
Chromium: 3
Lead: 0
Copper: 1
Tin: 0
Aluminum: 1
Nickel: 0
Silver: 0
Silicon: 1
Boron: 226
Sodium: 5
Magnesium: 0
Calcium: 12
Barium: 0
Phosphorus: 1577
Zinc: 7
Moly: 0
Titanium: 0
Vanadium: 0
Potassium: 0
Fuel: NA
VIS @ 40c cSt: 107.4
Water: 0
Soot: TR
Glycol: NA
TAN: 3.35
Oxid: 5.0
Nitr: 2.0
CHANGE: YES
Results say no corrective action required.
I changed out the Mobil-1 with Amsoil 75w90 Synthetic ube.
Time on oil: 14 months
Miles on oil: 6,862
Iron: 252
Chromium: 3
Lead: 0
Copper: 1
Tin: 0
Aluminum: 1
Nickel: 0
Silver: 0
Silicon: 1
Boron: 226
Sodium: 5
Magnesium: 0
Calcium: 12
Barium: 0
Phosphorus: 1577
Zinc: 7
Moly: 0
Titanium: 0
Vanadium: 0
Potassium: 0
Fuel: NA
VIS @ 40c cSt: 107.4
Water: 0
Soot: TR
Glycol: NA
TAN: 3.35
Oxid: 5.0
Nitr: 2.0
CHANGE: YES
Results say no corrective action required.
I changed out the Mobil-1 with Amsoil 75w90 Synthetic ube.