Quote:
Originally Posted by flash968
slightly off topic, but very annoying and might make some here feel better:
i bought a new 2014 BMW X5 M series 5.0 with the twin power turbo V8. the idea was to replace the 2006 yukon denali with something new and zero maintenance. i was stunned when at about 3000 miles it showed to be 2 quarts low. the warning indicator came on, skipping right past the 1 quart warning. there is no dip stick by the way. all computer controlled and monitored. anyway, BMW says that 1 quart ever 700 miles is acceptable. i haven't had anything new that burned oil in over a decade. i didn't think cars did that anymore. but, apparently the turbo bmws do. just crazy to me.
so, to those of you who go through a quart now and then on your $3000 944, feel good. i am going through a quart every 1500 miles on a brand new $85k car.
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OT: That's nothing unusual for the recent gasoline engines here in Europe (Audi, BMW, VWs), and not only turbo. Although for the newer models of those manufacturers you cannot by any non turbo model anymore. This is side effect of the EU regulations with respect to fuel consumption and CO2 emissions. In order to reduce those numbers, the manufacturers have to reduce the friction in the engine, thus thinner oils are used together with bigger gaps between engine parts where you have the biggest friction. All this results in significant oil consumption. That particular V8 is known for huge oil consumption, especially in the non-M version (the same engine comes with X5, X6, 7, 6 and 5 series).
I have a question about the original topic of this thread. What do you think about using of so called "racing" oils like Motul V300 (they come in various viscosity, starting from 0W15 up to 15W50 - year ago there was also 20W60 option, that seems to be no longer available). I was considering 15W50 as I don't drive my 951 in the winter. However, I cannot find info about the ZDDP levels in those engines as well I don't know for how long intervals is that racing engine good if at all for street use. I manage to drive only around 2000 mile per year (i.e. between oil changes).