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Joined 1 year ago
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Cake day: October 27th, 2023

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  • You’re right, BMW would prefer you don’t do any of that extra preventative maintenance. They’ve calculated it’ll last to 100k miles, hence “lifetime”, and that’s when you bend over and buy a new one.

    If you’d prefer to keep it longterm and/or care about longevity/resale value to the right buyer… do the fluid changes for diff and transmission. Also transfer case and front diff if it’s X drive.

    Sold a 2007 X3 with 263,000 miles and I don’t think it would’ve lasted that long without regular fluid changes on the diffs, tranny and transfer case