I was told I have that issue too (tho I am not sure if I do). They said it's leaking and I need new gasket, filter/pan and sleeve, and whatever amount of trans fluid they need, they would add it and on top of that, it's not covered under CPO Warranty either.

The job, they said, is anywhere between 3/4 hours, but BMW Toronto quoted me around $1500 for the job, regardless of how many hours it will take. Like it could take 1 hour or 10 hours, I'll have to pay this much money.

Now the dilemma is, I don't see any leak whatsoever. However, I do have transmission related issues, such as harsh take off after cold starting the car that goes for at-least 30 minutes before it becomes smooth. I had that issue from day one I bought the car tho, and BMW refused to recognized it while the car was under warranty.

I am, however, thinking about going to a private BMW Tech and get it done.

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2008 Alpine White X5 3.0si
AG Sports Package
Premium Package
Technology Package
Winter Package
Comfort Access