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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 > E77 blend dynos and datalogs, take a gander..



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      02-14-2013, 03:53 PM   #1
thenewrick
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E77 blend dynos and datalogs, take a gander..

Howdy. I finally got some dynos and datalogs done and I'd like to see what people think about them.

Backround info:

2007 E93 68k miles sport package oil cooler, BMS DCI, JB4 G5 ISO, 70 degrees ambient temp, car was warm before and during runs, sea level.

Runs are stock map, stage 1 map, and roughly 20% E77 blend map 5 run. 93 pump gas as main fuel. Low reading mustang dyno.

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      02-14-2013, 04:59 PM   #2
pcmacdr
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Quote:
Originally Posted by thenewrick View Post
Howdy. I finally got some dynos and datalogs done and I'd like to see what people think about them.

Backround info:

2007 E93 68k miles sport package oil cooler, BMS DCI, JB4 G5 ISO, 70 degrees ambient temp, car was warm before and during runs, sea level.

Runs are stock map, stage 1 map, and roughly 20% E77 blend map 5 run. 93 pump gas as main fuel. Low reading mustang dyno.

Nice
But you can easily add more E85, BMS Flash, then you will see a bigger difference

Check my Dyno the other day, with the little modz I have

http://www.e90post.com/forums/showthread.php?t=803678


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      02-14-2013, 05:50 PM   #3
thenewrick
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If you account for the dynojet reading higher numbers than a mustang dyno we actually had almost identical torques but you're getting higher hp. You just used a 60% e85 blend to get there and I used a 20% e77 blend to get there. Some of this is due to you using 91 octane pump gas. I think my intake temps and exhaust flow issues are to blame for the lack of hp.

I only hit 15.8 psi very briefly so there is room to grow on autotune.

Last edited by thenewrick; 02-14-2013 at 06:32 PM.
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