I noticed that my gearbox is not smooth when you accelerate after a slowing (tipical situation of high traffic when you are on queue). Practically when you give gas again, it seems to be late and immediatly a strong starting. It's not long time that my gearbox has been opened for the reverse that was broken. Somebody told me that it's possible that now the gearbox need a software upgrade..I ask to my bmw dealer and they say that it could be possible but maybe not. In any case Euro 200 for this test. Should I try?

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