Software Update Gearbox?

Hello guys, I bought a 451 last week, with 71hp engine, without MHD, EZ 11/07. But I did test drive with an MHD, EZ 01/09. Now I notice that my in automatic mode switches up a whole corner later. Mine only switches to the fourth at about 60, where the from the test drive has already done at about 45. Has there been a software update over time, which I could also play on my own? Oh yes, consumption: Exactly 6 liters. mo quite unfavorable track profile: Cold driving, immediately 4km a serpentine-like track uphill, about 4km. When I am up, it is warm, then it goes down 3km, and there it is again cold and then only city traffic and the same back. For that I am quite satisfied with the consumption.