Maximiliano DÃaz Hi, stranger! I don't know why you're reading this, but you're awesome. Keep it up. Have a nice day, chap ;)Articles by Maximiliano DÃaz 1 articles Motorsport 22/04/15BMW's most powerful engine, the 1986 BMW M12/13/1. A 1.5 litre, turbocharged inline 4 that was said to produce around 1400 HP in qualifying trim. The most powerful engine in F1 history.