Not sure where the Potassium was coming from but it is gone now. I went ahead and changed the oil filter housing gasket anyways
just in case which is a common cause but that must have been fine. Switched to Castrol 0w-40 this time around due to reformulated
M1 0w-40 losing the LL-01 cert. I was really liking the M1 0w-40 but I need more evidence that the new stuff can hold up before I
use it.
Link to previous post HERE
Code:
Potassium was on our watch list in the last few samples, but it's nice and low this time around,
so we're not too concerned about any ongoing coolant issue for this engine. We're not sure where the
potassium came from, but if it was a little coolant, it certainly didn't seem to cause any trouble. This
sample's wear metals levels look fine, and no contamination turned up in the oil. The TBN's still goo
MAKE/MODEL: BMW 3.0L (N55) I-6 Turbo
OIL M1 0w-40 M1 0w-40 BMW 5w30 M1 0w-40 BMW 5w30
MILES IN USE 6111 6000 7630 5520 5150
MILES 62394 56283 50284 40660 35140
SAMPLE TAKEN 7/9/2016 10/12/2015 3/31/2015 5/1/2014 11/16/2013
ALUMINUM 5 8 19 6 8
CHROMIUM 1 1 1 1 1
IRON 27 30 50 24 21
COPPER 3 4 6 3 3
LEAD 0 0 0 0 1
TIN 1 2 0 0 3
MOLYBDENUM 80 102 151 104 140
NICKEL 0 1 1 1 0
MANGANESE 1 2 3 1 1
SILVER 0 1 0 0 0
TITANIUM 0 0 0 0 0
POTASSIUM 6 16 14 2 2
BORON 135 136 75 151 61
SILICON 4 4 6 4 3
SODIUM 5 7 9 3 6
CALCIUM 2865 3068 2397 3239 2321
MAGNESIUM 19 21 18 19 17
PHOSPHORUS 901 898 935 989 850
ZINC 1054 1150 1112 1176 976
BARIUM 0 0 0 0 0
SUS VIS 210コF 69.2 70.2 63.2 68.5 64.4
cSt @ 212コF 12.75 13.01 11.12 12.56 11.44
FLASHPOINT コF 400 390 395 415 420
Fuel
Antifreeze 0 ? 0 0 0
WATER 0 0 0 0 0
INSOLUBLES 0.2 0.2 0.3 0.2 0.4
TBN 4.2 5.6 3.7 5.6 5.3
just in case which is a common cause but that must have been fine. Switched to Castrol 0w-40 this time around due to reformulated
M1 0w-40 losing the LL-01 cert. I was really liking the M1 0w-40 but I need more evidence that the new stuff can hold up before I
use it.
Link to previous post HERE
Code:
Potassium was on our watch list in the last few samples, but it's nice and low this time around,
so we're not too concerned about any ongoing coolant issue for this engine. We're not sure where the
potassium came from, but if it was a little coolant, it certainly didn't seem to cause any trouble. This
sample's wear metals levels look fine, and no contamination turned up in the oil. The TBN's still goo
MAKE/MODEL: BMW 3.0L (N55) I-6 Turbo
OIL M1 0w-40 M1 0w-40 BMW 5w30 M1 0w-40 BMW 5w30
MILES IN USE 6111 6000 7630 5520 5150
MILES 62394 56283 50284 40660 35140
SAMPLE TAKEN 7/9/2016 10/12/2015 3/31/2015 5/1/2014 11/16/2013
ALUMINUM 5 8 19 6 8
CHROMIUM 1 1 1 1 1
IRON 27 30 50 24 21
COPPER 3 4 6 3 3
LEAD 0 0 0 0 1
TIN 1 2 0 0 3
MOLYBDENUM 80 102 151 104 140
NICKEL 0 1 1 1 0
MANGANESE 1 2 3 1 1
SILVER 0 1 0 0 0
TITANIUM 0 0 0 0 0
POTASSIUM 6 16 14 2 2
BORON 135 136 75 151 61
SILICON 4 4 6 4 3
SODIUM 5 7 9 3 6
CALCIUM 2865 3068 2397 3239 2321
MAGNESIUM 19 21 18 19 17
PHOSPHORUS 901 898 935 989 850
ZINC 1054 1150 1112 1176 976
BARIUM 0 0 0 0 0
SUS VIS 210コF 69.2 70.2 63.2 68.5 64.4
cSt @ 212コF 12.75 13.01 11.12 12.56 11.44
FLASHPOINT コF 400 390 395 415 420
Fuel
Antifreeze 0 ? 0 0 0
WATER 0 0 0 0 0
INSOLUBLES 0.2 0.2 0.3 0.2 0.4
TBN 4.2 5.6 3.7 5.6 5.3
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