Quote:
Originally Posted by mcoupe
I recently purchased my first automatic, an imola red X5 4.6is! It has 135K miles and I plan to change the differential and transfer case oil immediately. I'm unsure about the transmission oil. I've heard that at this mileage if it has not been change it's better to leave it unchanged. Any thoughts or suggestions? Thanks!!!!
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I changed mine when I first bought my X5. It had 108K miles on it at the time. It's now a year and 10K miles later and not a single problem.