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      08-14-2012, 09:45 AM   #25
bdaddylo
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Drives: 2011 E82 1M
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Quote:
Originally Posted by RPMracing View Post
3 x times different dyno ...

and yes a very good tune ( www.mega-speed.de )
Is the 442 PS number at the wheels/chasis or flywheel? Either way this is considerably higher than the advertised number on the Mega Speed website of 415 PS at the flywheel which is theoretically 15% higher than at the wheel.
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