The P65 is a purpose-built naturally aspirated DOHC V8 engine, designed, developed and produced by BMW, for sports car racing, between 2009 and 2016. It is based on the BMW S65 engine, used in the BMW M3 (E92) road car. P65B40 The P65B40 is an evolution of the BMW P60B40. It uses a 180 degree or "flat-plane" crankshaft.
Applications: 2008 BMW M3 ALMS 2009 BMW M3 GT2 racing car
P65B44 The P65B44 engine is an evolution of the engine found in the BMW M3 GTS. It uses a 90 degree or "cross-plane" crankshaft.
Applications: 2010-2015 BMW Z4 GT3 racing car 2013-2016 BMW Z4 GTE racing car
References