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2Addicts | BMW 2-Series forum Technical Topics N55 (M235i) Engine, Transmission, Exhaust, Tuning My M235i: Bolt-ons + JB4 = Dyno Results

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      05-23-2014, 05:40 PM   #23
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Awesome #'s out of the N55
However, do you have any #'s of the correction factor being SAE which are the most accurate #'s when looking at whp compared to the STD you posted?
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      05-23-2014, 06:07 PM   #24
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Originally Posted by stealthM3 View Post
Awesome #'s out of the N55
However, do you have any #'s of the correction factor being SAE which are the most accurate #'s when looking at whp compared to the STD you posted?
Unfortunately I do not. However, I may be going back to re-dyno on my E35 setup to see how it goes and I'll see if I can get both then.
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      05-23-2014, 08:32 PM   #25
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Quote:
Originally Posted by kerm1t View Post
i have JB intake, JB4, MPE and although it does feel faster, the power curve definitely feels different now. hard down low, weak up top. how does ur feel?

the first gear i start in feels fast, but rest after that feels like the turbo run out of juice
The downpipes made an incredible difference from the mid range to top. The top I fall off around 5800.

Without the DP's installed, I found that the low end was great as well but only would pull till 4700-4900.
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      07-06-2014, 10:01 PM   #26
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Did you get the EWG harness yet? Looks like maybe n54 tuning has it avail now?
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      07-06-2014, 11:57 PM   #27
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Did you get the EWG harness yet? Looks like maybe n54 tuning has it avail now?
Ill be installing sunday. Ill be posting up reviews as well.
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      07-07-2014, 01:47 AM   #28
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I have the EWG harness now with a higher boost tune. I think it should be around ~400whp now since I run it with an E85 mix. However, I won't be hitting the dyno any time soon with the weather being 95+ in SoCal.
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      07-07-2014, 04:48 AM   #29
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Quote:
Originally Posted by JustinCredibleM
I have the EWG harness now with a higher boost tune. I think it should be around ~400whp now since I run it with an E85 mix. However, I won't be hitting the dyno any time soon with the weather being 95+ in SoCal.
Nice. Looking forward
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      07-07-2014, 08:18 AM   #30
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Originally Posted by abirmaher View Post
Ill be installing sunday. Ill be posting up reviews as well.
awesome. I think I am going to buy one soon. Did you get a DP also or just jb4 for now?
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      07-07-2014, 08:34 AM   #31
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      07-07-2014, 09:26 AM   #32
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Originally Posted by Shankska View Post
awesome. I think I am going to buy one soon. Did you get a DP also or just jb4 for now?
Ordered both and both will be installed sunday.
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      07-13-2014, 07:31 PM   #33
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Wondering about how JB4 is working with FF, e85 (with N55's w/EWG like ours). Terry talked about our N55's with EWG not liking e85. Installing JB4 this week and will be doing EWG wire for sure, just skeptical about FF wire, since you have to cut two wires. Anyfeedback would be great!
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      07-14-2014, 12:45 AM   #34
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Quote:
Originally Posted by daisy16905 View Post
Wondering about how JB4 is working with FF, e85 (with N55's w/EWG like ours). Terry talked about our N55's with EWG not liking e85. Installing JB4 this week and will be doing EWG wire for sure, just skeptical about FF wire, since you have to cut two wires. Anyfeedback would be great!
I run this setup currently with no issues on E35.
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      07-14-2014, 10:32 AM   #35
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It should definitely break 400 with some e85. I wish the N55 had the tuning capabilities of the N54 though :/
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      07-14-2014, 10:49 PM   #36
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Originally Posted by JM35 View Post
It should definitely break 400 with some e85. I wish the N55 had the tuning capabilities of the N54 though :/
If it had another turbo .
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      07-16-2014, 07:10 PM   #37
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Quote:
Originally Posted by schap12 View Post
I agree with the stock tires.. im an idiot and got the wheel an tire package from BMW. Does anyone know if i can go a little bigger and they would still replace them? or if anyone has any ideas that would be great. I have basically the same set up with the EWG wires and 40% e85 will be going to the Dyno this weekend to see some numbers.
I had the wheel and tire protection on my 3 series and as long as they are BMW wheels they will still replace them and as far as tires if they are brands used by BMW they should replace them. I changed sets of wheels a few times and never had any problems.
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      07-25-2014, 05:36 PM   #38
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Quote:
Originally Posted by JustinCredibleM View Post
If it had another turbo .
BMS' 435i did 414 RWHP with an intake, downpipe, and JB4 on an E85/91-octane mix. I don't see why it can't be repeated, although you were quite short of their figures on ~95 octane. Perhaps the discrepancy lies in the fuel, but you'll certainly make better power yet on pure 100-octane.

How did the car run on Map 7 with that fuel mix? Any codes or other headaches?
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      07-25-2014, 08:03 PM   #39
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Originally Posted by FC4 View Post
BMS' 435i did 414 RWHP with an intake, downpipe, and JB4 on an E85/91-octane mix. I don't see why it can't be repeated, although you were quite short of their figures on ~95 octane. Perhaps the discrepancy lies in the fuel, but you'll certainly make better power yet on pure 100-octane.

How did the car run on Map 7 with that fuel mix? Any codes or other headaches?
I am sure it can be repeated with the same octane and boost. However, everything is very limited with 95 octane as my car feels much more responsive and livelier on E35. I run that in combination with Map 5 and its much faster than Map 7 on 95 octane. I have not tried Map 7 on E35 yet since I feel I would need more octane or something better than 91 mixed in to be safe.
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      07-25-2014, 08:18 PM   #40
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Quote:
Originally Posted by JustinCredibleM View Post
I am sure it can be repeated with the same octane and boost. However, everything is very limited with 95 octane as my car feels much more responsive and livelier on E35. I run that in combination with Map 5 and its much faster than Map 7 on 95 octane. I have not tried Map 7 on E35 yet since I feel I would need more octane or something better than 91 mixed in to be safe.
Interesting. The cooling properties of ethanol are significant, but I'm surprise the difference is as significant as you claim. Good to know.

Or I could just say F it and run VP Import which is what's run in the 1500+ WHP cars around these parts.
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      11-14-2016, 07:54 AM   #41
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Hello everyone i have a quick question i just ordered my jb4 stage 2 and i have afe intake, rev 9 intercooler, vsfr downpipe and armytrix exhaust and i was wondering what map i should be running on it ?
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      11-14-2016, 10:42 AM   #42
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Quote:
Originally Posted by Redline8725 View Post
Hello everyone i have a quick question i just ordered my jb4 stage 2 and i have afe intake, rev 9 intercooler, vsfr downpipe and armytrix exhaust and i was wondering what map i should be running on it ?
Depends on fuel. Start with map 1 and go from there.
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      11-14-2016, 07:10 PM   #43
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Dont know what i need to do to run different fuel but i start with 91 and go from there thanks
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      11-20-2016, 03:26 PM   #44
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Quote:
Originally Posted by Redline8725 View Post
Hello everyone i have a quick question i just ordered my jb4 stage 2 and i have afe intake, rev 9 intercooler, vsfr downpipe and armytrix exhaust and i was wondering what map i should be running on it ?
Map 1 or Map 5

You can also do map 2 but you must datalog first to make sure car is handling boost well
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