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      07-11-2008, 11:10 AM   #4
Black Chili
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Drives: M4 Black Saphire Metalic
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Originally Posted by Jude1 View Post
The chart says Flywheel HP rather than Wheel HP at the tires. Unless the tuner has an engine dyno and lifted the motor out of the car to test it at the flywheel rather than rolling the whole 335D up on a typical dyno, the chart would seem to indicate that the WHP numbers were upped to correct for drivetrain loss, giving virtual FHP numbers.

Loss wouldn't be a straight % as the loss would very by drivetrain temprature and RPM, but it's easier to think in basics- 12-15% is typical.

The numbers are still very good tho
15 M4 DCT Black Sapphire Metallic JB4 Beta, AA coated DP's

2011 E89 Z4 sDrive 35is Metalic black/black