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Posted: Sep 21, 2010 1:57 PM
by M5BB
Another big sigh.
Passed emissions today.
Even better than last year. Probably because it was tuned properly on the dyno.
25/25 ........................... Allowed
HC ppm =23 ...................144
CO% 0.37 ....................0.92
NOx ppm 86 ...................1014
50/15...................Allowed
HC 32................148
CO 0.55.............0.83
NOx 215.............1110
Posted: Sep 25, 2010 6:33 AM
by Black Steel
M5BB wrote:Another big sigh.
Passed emissions today.
Even better than last year. Probably because it was tuned properly on the dyno.
25/25 ........................... Allowed
HC ppm =23 ...................144
CO% 0.37 ....................0.92
NOx ppm 86 ...................1014
50/15...................Allowed
HC 32................148
CO 0.55.............0.83
NOx 215.............1110
Good news 
How is it running?
Posted: Sep 27, 2010 4:52 PM
by M5BB
Wanted to post contact info for my dyno tuner.
His name is Ed Senf EMS, Inc. and he lives here in metro Atlanta.
He is a Georgia Tech Engineering school graduate and has been tuning for 18+ years.
There was a story about him and dyno tuning in Grassroots Motorsports Magazine a while back.
The two main teams he tuned professionally this year won their respective championships.
Rum Bum Racing GS division of the Grand Am Series and
Fall Line Racing in Chicago.
Ed tunes other makes beside BMW.
Ed travels around the country so if you interested just send him an email and see what you can work out.
Please don't bug him with questions about your tune as I know he is to busy for that and he simply won't answer.
Ed Senf
dynotuner2001@yahoo.com
Posted: Oct 28, 2010 11:27 AM
by M5BB
Updated some info on first page.
Took the guys at United BMW in Alpharetta GA for a ride.
Four men in the car and it still chirped the tire into second.
They all had big grins on their faces when they got out.
Posted: Oct 28, 2010 4:12 PM
by MicahO
Great video - outstanding power - and I LOVE that audio! Nice to see all of your work come together.
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Posted: Jan 12, 2011 5:07 PM
by M5BB
Added a couple photos to original post.
Posted: Jan 12, 2011 6:05 PM
by tsmall07
M5BB wrote:Added a couple photos to original post.
Can we get another video? I love to hear that thing scream!
Posted: Feb 04, 2011 10:23 PM
by kerry
Hey Mark, did you ever get that MM stroker on the dyno? As you know, there are some who question the hp claims they make. It would be great to see a real world result.
thanks
Re: E28 M5 Dyno runs.... modified engine. Added photos 1/11
Posted: May 05, 2016 10:09 PM
by kamukat
It's amazing what you can find here - an absolute wealth of information even for guys like me that have no idea what they are doing. That was super educational as I think about refreshing or upgrading my motor. Thanks!
