Originally Posted by barische
If BMW was able squeeze out 200 hp out of N/A 4 banger in 1990. I dont think we should be worried about BMW's ability squeeze out ~300 hp out of turbo 4 banger in 2013
The E30 M3 Sport Evo had 238 hp.
Back in the 1986, BMW managed to squeeze around 1400 hp out of a 1.5 L four cylinder engine in formula one. These engines didn't last long, though...