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Message: <blockquote data-quote="E46 2.2" data-source="post: 129000" data-attributes="member: 2365">Bro, im not really clear on thisIn Euro delivery cars, there is a warning triangle in a blue plastic case that bolts to the left rear of the trunk and a first aid kit under the passenger seat.38. Apparently "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 there is a catch. In Europe, where the feature isn't so hush-hush, doing more than 15 launches voids the car's warranty. Federal laws prohibit such stipulations here, so BMW has turned down the which. US-spec cars are programmed to wind to only 2,500 rpm. That's why you have to ask your dealer to install the European software. Most will happily oblige" "For lucky drivers of this hot car, here's how: Switch of the stability system and select shift program six. Switch the engine to sport mode. With the hand shifter in drive, hold it in the downshift position and press the has pedal. The engine will rev to the preprogrammed rpm and hold. Now release the shifter. The car will launch forward violently and the engine's revs will climb quickly, so be prepared to up shift"</blockquote>