Insane BMW M3 for sale

duPont Registry has listed for sale a very extreme BMW M3 E92 that is able to reach 345km/h. The car has been modified by the famous british company Brabham, and it's everything but a standard M3. Let's start from the engine. The stock 4.0L V8 engine has been removed to make room for a massive 5.0L V10 engine taken from the M5 E60, but modified up to 5.8L and now produces 610hp!