Thread: RS4 & E90 M3
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      10-25-2006, 09:08 PM   #25
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Originally Posted by JK42 View Post

Actually they are not. In real life roto dynotests current BMWs lose between 4-8%. See 130i loses 4% torque and 8% power, 335i Coupé loses 4% of torque and 6% of power. Hope this helps. (HTH.)

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I took a look at that website. Very interesting, lots of good information. However, with that being said. You're misinterpreting the data. Your statement is that the 335 has a drivetrain loss of 4% tq and 6% power. That is incorrect. On that website it is properly stated that 4% and 6% represent the discrepancy between stated engine performance and measured powertrain performance. The correct interpretation of the data is that the 335's hp & tq are underrated by BMW.


edit: Here's what I'm talking about...
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