Liqui Moly 10W-60, 4970.97mi, 2003 BMW M3

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Ontario, Canada
I filled this oil just before winter storage in October or November 2016. It had done 1250 miles just before the storage. This oil is not cheap so I decided to leave it in the car and in spring I kept using until it approaches the OCI.


Code:


MI/HR on Oil 4,970 miles

MI/HR on Unit 88,590 miles

Sample Date 7/14/2017

Make Up Oil Added 0 qts



ALUMINUM 1

CHROMIUM 0

IRON 4

COPPER 6

LEAD 11

TIN 0

MOLYBDENUM 1

NICKEL 0

SILVER 0

TITANIUM 0

POTASSIUM 2

BORON 51

SILICON 6

SODIUM 5

CALCIUM 2375

MAGNESIUM 6

PHOSPHORUS 879

ZINC 971

BARIUM 0



SUS Viscosity @ 210°F 87.3

cSt Viscosity @ 100°C 17.33

Flashpoint in °F 415

Fuel %
Antifreeze % 0.0

Insolubles % 0.2

TBN 3.7
 
The oil is holding up very well.
Winter could've contributed some corrosion wear in iron/copper/lead, IDK.
 
Originally Posted By: chrisri
High lead worries me.


That's what the guys at Blackstone say I should keep an eye on too. It's the first UOA I have ever done since I've bought the car 5 years ago so I can't really compare this with what has been happening before that.

I did give the engine a few good revs up to the yellow line but normally I am quite gentle with the accelerator unless I'm in road rage mode.
 
Originally Posted By: chrisri
High lead worries me.


+1 since these cars are known for rod bearing issues.

For now, I wouldn't worry, just monitor it and keep doing UOAs to see if there is a trend.
 
Originally Posted By: Datsyuk
Is it OK for TBN to be down to 3.7 from 10.5 after only 1250 miles?

It did just under 5000 miles, of which 1250miles were before storage and the rest after.
 
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