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1,997 Posts
pretty senseless to compare a dyno plot to what the manufacture has claimed. ESPECIALLY AN ITALIAN oem...
Most newer cars are actually pretty close these days accounting for reasonable drivetrain loss. BMW is notorious for underrating motors- they often make to the wheels what is claimed to the crank.
Plus, I wouldn't expect an untouched 30 year old motor to still have all the ponies it came with.
