Quote:
Originally Posted by Evice
I am not sure about that. I'd think 135 would put at least 260HP to the wheels with 305HP factory rated.
|
People have consistently seen 270-280 HP range from the 135i on a dynojet, more like 260-270 on a mustang dyno. Though I have seen some naturally "good" cars on naturally "good" dynos get up to 285, even 290.
That said, looks like there's either a ~10-12% drivetrain power loss (closer to 12% on HP, 10% with torque)... Either this is a "good" car and a "good" dyno... OR... I know N/A RWD engines usually experience a 15-20% power loss versus the about 12-15% the turbo engine loses from crank to wheels. This would mean that the 128i is slightly underrated from the factory and would be making more like 240-245 HP and 215-220 ft lbs at the crank. Either way, that's great, because either you have pretty low drivetrain power loss, or you have a little more power than you thought. Cool!
