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Originally Posted By: MolaKule Is the copper trending downward? The copper's source is usually from the oil cooler in the radiator. thanx for posting it's the first atf uoa from this car an atf oil cooler is very lightweight. I think it's made of aluminium composition, rather than copper

Changed out my second fill of Mercon SP XT-6-QSP in my 07' BMW 525d 6hp19. This oil was in use for about 2 calendar years, it was short winter trip and summer highway driving. I think, copper is the issue of concern. Comments?

Originally Posted By: m37charlie Does your car have DPF and use SCR (AdBlue)? In other words is it required to use a LL04 oil? Looks good but are the mileage figures miles or km? I found that LL04 oil didn't hold TBN well at 11-12000mi (19000km) in my 09 X5 35d, so I now use an ACEA E6 oil...

Good day ! It's a VOA of Pentosin ATF1, OE Reference Numbers: G052162 A1/A2/A6 83229407807 Z000169756 JLM20238 0019892203 Z000169756 99991754700 PL 31493PA Low phosphor looks strange for me. Mobil LT has twice of it.

sulfur - 0,29%

Hi again ! Here is my new report on remapped '07 BMW 525d Driving is 50% city, 50% highway. A lot of stop and go, idling for hours during Christmas shopping, cold starts at -20F for 4 weeks twice a day and short trips. The right column is VOA of BP VISCO 7000 0w-40 LL-04 C3 Temperature in...

absorbance of different ester percentage http://zalil.ru/34115864

Here is a new UOA from my BMW 525d 3.0d on the same Ravenol VMO. The next 5km from the first UOA were 50% hard city and 50% highway driving. Oil was changed. Iron increased not so much, as it was at first 3km. Fuel stands at the same level. Sulfur fall to 1768 (2952 VOA). I wonder, what...

The mileage when TBN and TAN meets is the point of oil change. TAN could answer the question of diesel OCI.

skyship, thanks for replying Originally Posted By: skyship If you spend a lot of time in traffic at low power it does tend to cause fuel contamination of the oil I think, this is the issue, because my everyday morning trip lasts for 20min and 3-4 miles, but the engine's temperature becomes...

Unfortunately, I couldn't find any avarages for this engine. The only one I met - http://www.bobistheoilguy.com/forums/ubbthreads.php?ubb=showflat&Number=2642510#Post2642510 I'll have aprox. the same results at the same mileage, I suppose.

I've converted to miles. Next time it will be 8000m UOA of this oil (+ 1 qt make up)

Greetings from Russia ! Here is the report on my remapped '07 BMW 525d from one German lab. I put the results in Blackstone-like table hand made. Driving is 60% city, 40% highway (two day trip).A lot of stop and go, idling. Oil was not changed. There were some Silicon (5) and Potassium (2)...

Originally Posted By: DrivinWest The drain plug on these engines leaves a LOT of used oil in the pan. I may start sucking oil through the dipstick instead. buy extra quart and pour it into the engine, while draining plug is open. It helps to renew oil in the pan.

Originally Posted By: vwthingman It is driven with mileage in mind (slow & steady acceleration), but due to being in a large metropolitan area/city, it does have some fast take offs because of getting on to the highways and lane changes. I'd reduce OCI to 5km because of town driving. It should...

What is your driving manner ?

Originally Posted By: skyship Viscosity 210F 67.9 (Should be 66 to 78) Viscosity 100C 12.4 (SB 11.9 to 15.3) I'd stay at this OCI, viscosity as if 0/30 oil already.