  urlLink Popular Science | BMW's Easter Egg "There's a cheat code in the software running the BMW M3's sequential manual gearbox (SMG): Press the right buttons in the right order and the car will launch you from a stop after revving the engine to 5,000 rpm. But don't look for a how-to in the owners' manualthis feature is undocumented, an inside joke of sorts. " 
