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      02-07-2006, 07:56 PM   #51
sdorn's Avatar

Drives: 2006 Jet Black 325i
Join Date: Feb 2006
Location: Atlanta

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Originally Posted by RGRAY
LamboPete has posted some dyno results with the M5.

Dyno results are as follows:

Max HP and Tq at stock: 417.2 HP and 291.7 Tq. at the rear.

Max HP and Tq WITHOUT filers: 426.1 HP and 296.9 Tq. at the rear.
That small of a gain can be accounted for in the variance of the dyno. In other words, they could have just taken two pulls on the same dyno without doing any mods and seen that kind of variation. It sounds to me like there is no proof at this point this mod has any benefit whatsoever.
2008 Sparkling Graphite 535i
2009 Land Rover LR2
2003 Porsche 911 Turbo (SOLD)
2006 Jet Black 325i (SOLD)
2001 Bullitt Mustang (450rwhp - SOLD)