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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > % power drivetrain loss on dyno??



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      04-01-2009, 11:32 AM   #1
tommay248
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% power drivetrain loss on dyno??

DOes anyone have this number for the xi?
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      04-01-2009, 02:15 PM   #2
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      04-01-2009, 02:20 PM   #3
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70%
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      04-01-2009, 02:21 PM   #4
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varies depending on type of dyno and its calibration setting.
Who cares about bhp honestly? unless its for bragging rights to people who are clueless about whp.
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      04-01-2009, 02:21 PM   #5
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Quote:
Originally Posted by kbpsj View Post
wow the noob is already throwing down the search party haha

I tried.... 70% come on lets be serious huh
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      04-01-2009, 02:30 PM   #6
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anywhere from 15-20 % i think, depending on the transmission. automatics have higher loss - hence they come with shorter final drive ratio to even the 0-60 times.
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      04-01-2009, 02:33 PM   #7
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Quote:
Originally Posted by tommay248 View Post
wow the noob is already throwing down the search party haha

I tried.... 70% come on lets be serious huh
No noob here buddy, just wanted a new start you know.

15% for rwd
25% for awd
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      04-01-2009, 02:49 PM   #8
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alrighty, thanks for the info

Fresh starts are always good!!
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