Quote:
Originally Posted by BMWPower06
lol I all of a sudden think that BMW is extremely underrating this engine...
Its got almost 5 more PSI of boost than the normal S63 engine and a higher compression ratio. I wouldn't be surprised if this engine is actually closer to 600hp
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This man is correct. The S63Tu is in fact an underrated engine. Ask your local dealer for more info about it. The 560bhp is actually closer to the WHP figure than the actual BHP