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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N55 Turbo Engine Tuning and Exhaust Modifications - 335i Tuning > Hitting the Dyno!



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      07-18-2012, 11:35 AM   #1
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Hitting the Dyno!

So there is a Dyno special at the local performance shop where you can get 2 pulls with AFRs for $25! Needless to say I am taking them up on their special offer tomorrow at 2pm.

My question is should I do a base line and a Map 5(JB4) or just do both on Map 5? Also, I kind of want to do an E85 mix but I won't be running E85 mix in the car often and think just Map 5 on 93 would give me a more accurate number.


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      07-18-2012, 11:38 AM   #2
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A baseline is always a good choice because it gives you YOUR car's performance gains and not just a number that you can't really compare to other people's Dynos
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      07-18-2012, 11:44 AM   #3
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Quote:
Originally Posted by Sloppy
A baseline is always a good choice because it gives you YOUR car's performance gains and not just a number that you can't really compare to other people's Dynos
+1
What was baseline sloppy?
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      07-18-2012, 12:03 PM   #4
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mike i beleive said map5 isnt the best to dyno on ... maybe u shld run map 2 , or race gas and map7 ... hit up terry see what he suggests
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      07-18-2012, 12:14 PM   #5
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I ran map 5 on the dyno and came out shitty number. According to Mike map 5 very sensitive. If I can do it again I will run map 2 instead. I been run map 5 on the street and very responsive compare to map 2.
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      07-18-2012, 12:20 PM   #6
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Mike has mentioned before that map 5 is not for dyno as for it is more for road driving n it's always relearning n re calibrating n will not give good numbers on dyno. Stick to map 2 or 7
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      07-18-2012, 12:54 PM   #7
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What about it you pony up another $25 and do four pulls? 1 for baseline and three with map 2.
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      07-18-2012, 01:02 PM   #8
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I believe there's a dyno primer somewhere on n54tech. Also, it's a good idea to get in touch with Terry to see if there are any finer points you should follow. If you have an auto, make sure the dyno operator doesn't kick you down a gear during testing.

I'm anxious to see some good/accurate results, not marred by dyno issues. Good luck OP.
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      07-18-2012, 01:19 PM   #9
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Here's the link to the dyno prepare.

http://www.n54tech.com/forums/showthread.php?t=488

Also be glad it's only $25 a pull. I pay 160$ plus tax for 4 pulls at http://www.cbrdspeedfactory.com/ in my area.
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      07-18-2012, 03:11 PM   #10
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Interesting, so Map 2 sounds like the way to go. I did see the thread about map5 putting down low numbers. I'll have to see if I can get 2 more pulls for another $25 or not lol

It is a 6MT so is 4th the gear to run in?
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      07-18-2012, 03:21 PM   #11
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Quote:
Originally Posted by GOTMH8N
Interesting, so Map 2 sounds like the way to go. I did see the thread about map5 putting down low numbers. I'll have to see if I can get 2 more pulls for another $25 or not lol

It is a 6MT so is 4th the gear to run in?
Yes. Not sure what your mods are but 2 or 7map. N 4th gear without hitting the kick down click
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      07-18-2012, 03:30 PM   #12
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Mods are only DCI and JB4 lol and I'm not running race gas lol
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      07-18-2012, 03:54 PM   #13
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Quote:
Originally Posted by GOTMH8N View Post
Mods are only DCI and JB4 lol and I'm not running race gas lol
you ahve a n54. But yea run map 2 or map 5 if you have any e85 or race gas..
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      07-18-2012, 03:56 PM   #14
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For $25 is cheap, just dyno my car this past Sunday for $50 2 pulls. Also map 5 put down only 299 ;( I am running JB4, BMS intake, AR DP 20% mixed E98. Car pull hella strong on the street though. Fuck up on the dyno.
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      07-18-2012, 04:11 PM   #15
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Quote:
Originally Posted by eyim1988 View Post
+1
What was baseline sloppy?
Mine was 241 AWHP / 255 Tq Baseline on a mustang dyno ... Then after my mods same day and dyno it was up to 310 AWHP / 382 Tq ... so you can add the usual 20% for dynojet numbers plus the power robbing xdrive - she's not a dyno queen but she hauls ass...
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      07-18-2012, 04:11 PM   #16
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If I decide to run a mix of E85 what map should I run?
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      07-18-2012, 04:32 PM   #17
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Quote:
Originally Posted by GOTMH8N
If I decide to run a mix of E85 what map should I run?
U would need the flex wires unless u have meth
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      07-18-2012, 05:03 PM   #18
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Quote:
Originally Posted by Goldenchild View Post
U would need the flex wires unless u have meth
Even with N54?
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      07-18-2012, 05:20 PM   #19
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Quote:
Originally Posted by Everfly
Quote:
Originally Posted by Goldenchild View Post
U would need the flex wires unless u have meth
Even with N54?
That I dont know with n54...
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      07-18-2012, 06:20 PM   #20
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Quote:
Originally Posted by Sloppy View Post
Mine was 241 AWHP / 255 Tq Baseline on a mustang dyno ... Then after my mods same day and dyno it was up to 310 AWHP / 382 Tq ... so you can add the usual 20% for dynojet numbers plus the power robbing xdrive - she's not a dyno queen but she hauls ass...
I can imagine she hauls ass and puts the power to the ground..
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      07-18-2012, 06:51 PM   #21
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I was told by a fellow 335i N54 owner that a E85 mix is fine to run on
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      07-18-2012, 10:09 PM   #22
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Quote:
Originally Posted by GOTMH8N
I was told by a fellow 335i N54 owner that a E85 mix is fine to run on
Yes it is fine to run on. I've been doing it for the last 2500 miles and my car loves the stuff
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