335i (M30B35 conversion) 218 hp 315nm
Very easy swap to do as it was already been done by both hartge and alpina, and even bmw themselves made a model with one for the south american market, thus oem swap parts can be had easily. This motors are tanks and will last indefinably. They also handle turbo set ups extremely well.
0-100: 6.7 sec
Top speed: 240 km / h
10-13, .5 Liter / 100km