2011 750 LiX shift (maybe tranny?) problem
On my 2011 750 LiX I'm having an issue with shifting. Primarily from 1-2. I'm get some clunkiness. Seems like it's shifting ok, but having a few bumps while it's happening. It happens more when cold. It doesn't happen all the time. It doesn't happen if I'm driving slow. Only when I punch it a little. If I punch it a lot, it rarely happens. Any clue on what this may be? I have already tried an adaption reset. I'm thinking my next step is a diagnosis or software update. Both cost $175 a piece. I have no codes coming up. I'm puzzled and so is my mechanic.
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