BMW 540i - Takes off with the rebuilt V8 engine for ethanol fuel

This is how the rebuilt 4-liter V8 (M60) sounds when the car is running and when it takes off - with only the slightly modified original exhaust manifolds mounted. No other exhaust system is fitted in place, in this video. This video is taken before the rebuilding of the whole exhaust system. Info about this rebuild BMW V8 engine: Rebuild to 100% ethanol (E85) operation. After a 1.6 mm face milling of cylinder heads is the compression ratio now 12.5:1 (original 10:1). Completely rebuilt fuel system for hig