BMW has unveield the DTM Champion Edition M4, complete with a huge rear wing, a BMW M colour sticker kit and a power boost up to 493bhp. Effectively an M4 GTS but with a different set of decals, the DTM special uses the same water injection technology and has a 0-62mph time of 3.8 seconds. The car also comes with Michelin Pilot Sport Cup 2 tyres and the quite frankly ludicrous titanium exhaust system found on the GTS. The sticker and aero kit is said to mimic DTM race…
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