Switched to Castrol Edge 0w-40 after Mobil-1 0w-40 lost its BMW cert and I am glad I did after seeing this UOA: LINK Though not terrible, it's not what I would expect after only 4k miles.
Link to previous UOA can be found HERE
Code:
MAKE/MODEL: BMW 3.0L (N55) I-6 Turbo
OIL Edge 0w-40 M1 0w-40 M1 0w-40 BMW 5w30 M1 0w-40 BMW 5w30
MILES IN USE 7323 6111 6000 7630 5520 5150
MILES 69717 62394 56283 50284 40660 35140
SAMPLE TAKEN 9/12/2017 7/9/2016 10/12/2015 3/31/2015 5/1/2014 11/16/2013
ALUMINUM 7 5 8 19 6 8
CHROMIUM 1 1 1 1 1 1
IRON 37 27 30 50 24 21
COPPER 5 3 4 6 3 3
LEAD 0 0 0 0 0 1
TIN 1 1 2 0 0 3
MOLYBDENUM 12 80 102 151 104 140
NICKEL 1 0 1 1 1 0
MANGANESE 1 1 2 3 1 1
SILVER 0 0 1 0 0 0
TITANIUM 40 0 0 0 0 0
POTASSIUM 7 6 16 14 2 2
BORON 34 135 136 75 151 61
SILICON 5 4 4 6 4 3
SODIUM 6 5 7 9 3 6
CALCIUM 1885 2865 3068 2397 3239 2321
MAGNESIUM 396 19 21 18 19 17
PHOSPHORUS 857 901 898 935 989 850
ZINC 996 1054 1150 1112 1176 976
BARIUM 0 0 0 0 0 0
SUS VIS 210F 69.2 70.2 63.2 68.5 64.4
cSt @ 100CF 12.59 12.75 13.01 11.12 12.56 11.44
FLASHPOINT F 410 400 390 395 415 420
Fuel
Antifreeze 0.0 0 ? 0 0 0
WATER 0.0 0 0 0 0 0
INSOLUBLES 0.3 0.2 0.2 0.3 0.2 0.4
TBN 3.8 4.2 5.6 3.7 5.6 5.3
Link to previous UOA can be found HERE
Code:
MAKE/MODEL: BMW 3.0L (N55) I-6 Turbo
OIL Edge 0w-40 M1 0w-40 M1 0w-40 BMW 5w30 M1 0w-40 BMW 5w30
MILES IN USE 7323 6111 6000 7630 5520 5150
MILES 69717 62394 56283 50284 40660 35140
SAMPLE TAKEN 9/12/2017 7/9/2016 10/12/2015 3/31/2015 5/1/2014 11/16/2013
ALUMINUM 7 5 8 19 6 8
CHROMIUM 1 1 1 1 1 1
IRON 37 27 30 50 24 21
COPPER 5 3 4 6 3 3
LEAD 0 0 0 0 0 1
TIN 1 1 2 0 0 3
MOLYBDENUM 12 80 102 151 104 140
NICKEL 1 0 1 1 1 0
MANGANESE 1 1 2 3 1 1
SILVER 0 0 1 0 0 0
TITANIUM 40 0 0 0 0 0
POTASSIUM 7 6 16 14 2 2
BORON 34 135 136 75 151 61
SILICON 5 4 4 6 4 3
SODIUM 6 5 7 9 3 6
CALCIUM 1885 2865 3068 2397 3239 2321
MAGNESIUM 396 19 21 18 19 17
PHOSPHORUS 857 901 898 935 989 850
ZINC 996 1054 1150 1112 1176 976
BARIUM 0 0 0 0 0 0
SUS VIS 210F 69.2 70.2 63.2 68.5 64.4
cSt @ 100CF 12.59 12.75 13.01 11.12 12.56 11.44
FLASHPOINT F 410 400 390 395 415 420
Fuel
Antifreeze 0.0 0 ? 0 0 0
WATER 0.0 0 0 0 0 0
INSOLUBLES 0.3 0.2 0.2 0.3 0.2 0.4
TBN 3.8 4.2 5.6 3.7 5.6 5.3