[bmw3s]

BMW M12/13 Formula-1 Turbocharged engine 1983, World Champion in Brabham BT52 with Nelson Piquet








The exhaust system, consisting of V2A steel pipeswith single KKK turbocharger and relief valve (left). This turbocherger can withstand 2.9 bar boost pressure and 1100C centigrade. The racing version on these 1.5 liter "miracle engines" can easily achieve 800 bhp. The actual top performance of this engine, based on a production four-cylinder, lies off the 1280 bhp scale of the BMW test unit.

Авторы текста: Hartmut Lehbrink, Jochen von Osterroth