Quote:
Originally Posted by myounder
Having just bought a 2013 X5, I visited the dealer to ask about transmission fluid service/life and was told it was for the life of the vehicle. The only reason they said, to check or top up transmission fluid was if it was leaking.
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Changed mine at 100k and it made a world of difference. I wasn't having really any issues with the tranny but noticed it shifted much smoother and more appropriately after the service. I replaced the internal rubber bits, filter and fluid.