Do it. Before you get many more miles on it. That's when you're screwed, because typically by 100k your car has adapted to the sludge and changing fluid will only speed failure. I had mine done at 100k bc I stupidly fell for that "lifetime fill" propaganda BMW puts out, and I was getting lots of Trans Fail Safe messages, although the tranny wasnt in "real" fail-safe. I had then replace my fluid at 100, and 4k later my shifts are much improved and it doesn't hold on to second for so long.

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Gone, but not forgotten:
2003 X5 3.0i - 135k - the most expensive club in the world.
Premium, Cold Climate, Rear Climate

Service History

Mods and Retrofits: Satellite radio, MediaBridge, DEPO HIDs + LED AEs, M-B W164 rear-light mod, clear corners, BSW x108 Subwoofer System, illuminated door handles, titanium grill, compass/auto-dim mirror

Traded 9/1/16 -- 5UXFA53533LV80809 -- If you know his whereabouts, please contact me.