Quote:
Originally Posted by Jack_James
What fluids did you use for the transfer case, diff and trans?
Also does anyone know how accurate the fuel mileage calculator is on the dash options? It keeps saying 13.5 is my average, then says 49.8km/h and what I'd assume the estimated range (which so far has never been true lol)
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Red Line D4 ATF for the transmission - drained 4.5 quartz, i was able to pump in approx 6-7 quartz
Red Line Gear Oil 75W90 GL-5 for the differentials - took less than 3 quartz for both
My xdrive transfer case took the special BMW "power divider oil" 75w GL-4, took just under 1 quart
My transmission was replaced by the previous owner at 55k miles, so the fluid was not that old. The shifting was fine before i changed the fluid, but after i changed it, it became buuuuuutttter smooth. i cannot feel it shift at all now.
i plan on changing the transmission fluid and filter every 30k miles, transfer case/differentials at 30-60k miles intervals. The front differential was a PITA, have to remove the front skid plate