Quote:
Originally Posted by CanadianF90M5
According to the BMW F90 technical training manual, here is what it says ... so no to transmission oil change but yes to transfer case oil change.
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Thanks for the info. Are the fluid types and volumes available in that manual? If so, please share.
Sounds like BMW is convinced that the transmission fluid never needs changing, but many of us don't buy into that. Type and volume should be listed somewhere in the event of fluid leak or repair.
It's unfortunate that you need the ISTA system to change the transfer case fluid. I'm guessing there is not a reasonably affordable consumer option for this level of control?