![BMW 2010 335i: anyone know why my steptronic unit won't engage in sport mode? It'll change back to D after a few moments, I changed it out for a new unit and BMW 2010 335i: anyone know why my steptronic unit won't engage in sport mode? It'll change back to D after a few moments, I changed it out for a new unit and](https://preview.redd.it/gzlyx8kzyxo91.jpg?width=640&crop=smart&auto=webp&s=37942c460ffb42898145eed5bbd81ff676f75a7b)
BMW 2010 335i: anyone know why my steptronic unit won't engage in sport mode? It'll change back to D after a few moments, I changed it out for a new unit and
![Sport program and manual mode M/S - Automatic transmission with Steptronic - Driving - Controls - BMW X5 Owners Manual - BMW X5 | BMWManuals.org Sport program and manual mode M/S - Automatic transmission with Steptronic - Driving - Controls - BMW X5 Owners Manual - BMW X5 | BMWManuals.org](https://www.bavarianmw.com/images/books/336/7/index.55.gif)
Sport program and manual mode M/S - Automatic transmission with Steptronic - Driving - Controls - BMW X5 Owners Manual - BMW X5 | BMWManuals.org
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