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      09-13-2019, 11:25 AM   #3
DPelletier
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Canada
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Drives: 2020 Z4 M40i
Join Date: May 2019
Location: Kelowna, B.C. Canada

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2020 Z4 M40i  [7.00]
Quote:
Originally Posted by gheumann View Post
You're measuring at the rear wheels, yes? Then I'd say they're better than BMWs numbers which are presumably just the engine?
Yep, I assumed that's what he was trying to say?...... 15% driveline loss would put it at around 448hp net flywheel and 10% would put it at 424hp net flywheel. Good numbers in any case. :-)

Funny thing was when I first test drove an M40i and was worried about the power compared to my V8 Ftype, the sales manager said that BMW typically underrates their engines and that the net flywheel rating would be what I could expect at the rear wheels.....guess he was right on the money. Car certainly felt faster than I expected though the 400lb weight advantage vs. my F type was responsible for some of that...

Dave
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