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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 > How much power ? Dyno



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      08-13-2012, 12:48 PM   #1
mia335i
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How much power ? Dyno

I have a 09 335i with VRSF down pipes ets 5" fmic k&n drop in and of course jb4 on map 5. With 50/50 93 and e85. I'm going to dyno next week just wondering around what numbers I should put down ? On a dyno jet
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      08-13-2012, 12:52 PM   #2
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A dyno reading isn't nearly as useful without a baseline to compare it to. Figure out what kind of dyno it is and if they have had a stock 335i on it, someone might be able to tell you what to expect.
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      08-13-2012, 01:13 PM   #3
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Quote:
Originally Posted by BlackBB6
A dyno reading isn't nearly as useful without a baseline to compare it to. Figure out what kind of dyno it is and if they have had a stock 335i on it, someone might be able to tell you what to expect.
It's a dyno jet. I'm sure some one here has similar mods. Just want a ball park number
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      08-13-2012, 01:39 PM   #4
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Do a run on stock tuning then a run at the level described above in the original post and then report back to let us know how much your car gained from the mods listed on map 5 given the day's weather and conditions. Looking forward to seeing what your car can do
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      08-13-2012, 01:49 PM   #5
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400 WHP maybe a little more. Depends on Dyno. Be sure to get a baseline and logs that is what is important. You wont see your max potential on Map 5, you would likely need some custom tweaks to get every last ounce of power with E85.
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      08-13-2012, 02:23 PM   #6
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i can't tell you how much you'll make, but i can tell you that you should be able to make over 70hp and 100ftlbs over stock.
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      08-13-2012, 02:26 PM   #7
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My guess 390-410 hp / 415-430lbs torque
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      08-13-2012, 03:23 PM   #8
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Thanks everyone well
See this weekend !
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      08-13-2012, 03:24 PM   #9
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Won't a baseline be pointless since I have e85 as down pipes. Lol
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      08-13-2012, 03:41 PM   #10
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Quote:
Originally Posted by mia335i
Won't a baseline be pointless since I have e85 as down pipes. Lol
I think the other members woul like a delta to compare the tuned #'s to the stock #'s, stock being with whatever bolt-ons you have.

Stock stock most N54's put down 260-280whp & 270/290trq.
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      08-13-2012, 03:55 PM   #11
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Quote:
Originally Posted by mia335i View Post
Won't a baseline be pointless since I have e85 as down pipes. Lol
Nope, on a stock tune they add nearly nothing(small amount) for power. It's important to compare the delta between stock tune and tuned. Without that you can be on a low reading or high reading dyno.

If you are on a high reading dyno you might think everything is great, but you might be leaving power on the table and never know it without a baseline and good logs.

Ideally you should have baseline before any mods but majority understand the expected delta between FBO Stock tune and FBO tuned.

Last edited by Jeff@TopGearSolutions; 08-13-2012 at 04:00 PM.
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      08-13-2012, 04:19 PM   #12
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AT or MT? I dyno'd 400 whp on a rwd 6 mt with fmic, turbo back, and dci on 93 on a dynojet. My "baseline" when set to map 0 was 310 whp. This was well before map 5 was useful and well before I started mixing e85. I used map 6 at the time.
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      08-13-2012, 04:32 PM   #13
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yeah, most people care what the TUNE actually did, so in your case, you'll be able to post those results.

just please be sure to get a baseline dyno or your whole thread will be a fail fest.
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      08-13-2012, 04:42 PM   #14
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Do your map 5 pulls first cause your JB4 is adapted...... map 0 last
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      08-13-2012, 05:46 PM   #15
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Quote:
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Do your map 5 pulls first cause your JB4 is adapted...... map 0 last
This. Do a couple pulls on map 5 and THEN switch to bypass.
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      08-13-2012, 07:04 PM   #16
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Quote:
Originally Posted by cloud_connected
Quote:
Originally Posted by Randomaccess335 View Post
Do your map 5 pulls first cause your JB4 is adapted...... map 0 last
This. Do a couple pulls on map 5 and THEN switch to bypass.
That's the plan .
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