Quote:
Originally Posted by Centrofly
On my third M, two naturally aspirated (still burned oil). I believe quite a few XM's and 5.0 's are driving around with the wrong oil in them. But the injector issues seem to be getting worse which surely is ethanol related. Always fill from same gas station if possible and avoid slow pumping gas cause its probably mostly water and will totally screw up fuel related components. BMW will surely have to modify their high pressure fuel systems to accommodate this crappy ethanol. I've been using techron injector cleaner every 7500 miles and engine responds well. I think letting unknown new technicians screw with injectors and fuel system will just throw a wrench into ethanol created issues. Black pipes and rear soot are normal from these high compression engines, just make sure oil is weighted correctly so proper flow is lubricating engine correctly.
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Please do not post nonsense on these forums. It is just distracting and annoying. Slow pumping gas? Black pipes and soot are normal with high compression engines? unknown new technicians? Pretty much everything you have posted is plain wrong.
A helpful quote: "It is better to keep quiet and let people think you a fool rather than opening your mouth and proving it beyond any shadow of a doubt."