Suspension Tech and Handling sponsored by.Professional Motorsports sponsored by Bimmerworld.Track, Auto-X & Drag Racing sponsored by.General BMW and Automotive Discussion sponsored by Intercity Lines. Quick Navigation 2001 - 2006 M3 (E46) Go Top The car will launch forward violently and the engine's revs will climb quickly, so be prepared to upshift. The engine will rev to the preprogrammed rpm and hold. With the hand shifter in drive, hold it in the downshift position and press the gas pedal. Most will happily oblige.įor lucky drivers of this hot car, here's how: Switch off the stability system and select shift program six. That's why you have to ask your dealer to install the European software. U.S.-spec cars are programmed to wind to only 2,500 rpm-and our test car topped off at 1,800. Federal laws prohibit such stipulations here, so BMW has turned down the wick. In Europe, where the feature isn't so hush-hush, doing more than 15 launches voids the car's warranty. In the M3's case, there's also good reason for it: The SMG transmission is completely electronic, so you can't rev the engine and drop the clutch for tire-smoking acceleration-something the owner of a performance sedan just might want to do occasionally.īut there is a catch. To our knowledge, it's also the first automotive "Easter egg," though-with increased reliance on computers-it would seem just a matter of time before they become standard fare, much like the hidden features in PC games and DVD movies. But don't look for a how-to in the owners' manual-this feature is undocumented, an inside joke of sorts. 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. Inside stuff: A hidden feature launches the M3, but faster in Europe.
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