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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 > jb3 dyno (should i be happy?)



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      08-25-2009, 03:06 PM   #1
original786
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jb3 dyno (should i be happy?)

well long story short, i installed the jb3 yesterday and loved it, it pulls hard..and its fun to drive now..

i went to get it dyno just see what it puts out. i was on a dynojet. over 88 degree weather.

im on map 7 fyi..

any how did about 4 pulls

the most i got out of it was 328hp and 350 tq

oh yeah my mods are only

eisenmann exhaust

and mid pipes

waiting on shop to send me dyno papers thru email will post them later on this afternoon


******here are my results*************


Last edited by original786; 08-29-2009 at 02:21 AM.
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      08-25-2009, 03:09 PM   #2
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Looks like you are running the WRONG map for your mods.

Try Map 5 or even 3 since u have the stock intake.
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      08-25-2009, 03:13 PM   #3
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Quote:
Originally Posted by 3LiterTT View Post
Looks like you are running the WRONG map for your mods.

Try Map 5 or even 3 since u have the stock intake.
hmm i didnt think of that, maybe i will do that since i wont get my intake till next week..


the shop was like that i need to custom tuned on juice box according to my mods... they said car was giving hickups during the pulls before 5k, after that it was smooth
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      08-25-2009, 03:17 PM   #4
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Quote:
Originally Posted by original786 View Post
hmm i didnt think of that, maybe i will do that since i wont get my intake till next week..


the shop was like that i need to custom tuned on juice box according to my mods... they said car was giving hickups during the pulls before 5k, after that it was smooth

Go with Map 5 or Map 3. Map 7 is too high for just mid pipes and a muffler addition as ur only modifications.
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      08-25-2009, 03:19 PM   #5
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What octane? I agree with the lower map selection just see what happens. Lets see those charts when you get them.
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      08-25-2009, 03:19 PM   #6
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it really doesn't matter what the final numbers are you really need to know the difference from no tune dyno to tune dyno. The power you gain is all that matters. All dyno's read differently.
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      08-25-2009, 03:23 PM   #7
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Please use a lower map, you are going about this all wrong.

Read Terry's instructions, he doesnt recommend certain maps for certain mods for nothing.

i'm sure your car is not very happy right now.
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      08-25-2009, 04:54 PM   #8
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Quote:
Originally Posted by original786 View Post
well long story short, i installed the jb3 yesterday and loved it, it pulls hard..and its fun to drive now..

i went to get it dyno just see what it puts out. i was on a dynojet. over 88 degree weather.

im on map 7 fyi..

any how did about 4 pulls

the most i got out of it was 328hp and 350 tq

oh yeah my mods are only

eisenmann exhaust
and mid pipes

waiting on shop to send me dyno papers thru email will post them later on this afternoon
Map 7 is suggested for 93 octane, downpipes, intake, and intercooler. People often run map 7 with intake and downpipes only, and some people run it with intake only, but its not ideal. May work with 80mph of wind in front of the car but you won't get anywhere near that on the dyno.

Map 3 is probably a better choice otherwise stock, maybe map 5.

Mike
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      08-25-2009, 08:35 PM   #9
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can i get it tune for my mods only?
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      08-25-2009, 09:41 PM   #10
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Quote:
Originally Posted by original786 View Post
can i get it tune for my mods only?
The JB3 and the DME will adapt to your mods when you get them. Catback exhausts don't really do anything for power.

Mike
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      08-25-2009, 09:57 PM   #11
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Get some catless downpipes and a DCI.
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      08-25-2009, 10:16 PM   #12
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dme??
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      08-25-2009, 10:17 PM   #13
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Quote:
Originally Posted by original786 View Post
dme??
DME and ECU are interchangable terms for the most part.
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      08-25-2009, 11:33 PM   #14
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thanks
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      08-29-2009, 02:24 AM   #15
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uploaded thanks

chime in!!
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      08-29-2009, 08:44 AM   #16
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88F is pretty warm. Your HP will go up significantly in cooler temps, and in actual road conditions with better air flow. I have found engine temp and ambient temps have a greater effect on your power than people might think. That is why in my testing, even though scoops may help intake air, the decreased air flow to the radiator actually hampered my performance.
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      08-29-2009, 09:06 AM   #17
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Or if you not up for modding, dump some race fuel in there and you're good to go on MAP7 and up.
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      08-29-2009, 09:27 AM   #18
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No point in running map 7 type of boost numbers on the stock FMIC. You might get 1 good pull before the heat-soak sets in but that isn't even certain. I think the recommendations to use map 3 are right on target. Get an FMIC and THEN perhaps a DCI and you should be able to run more boost, like map 7 or whatever.

Your dyno looks about like my duno on just an SSTT on an otherwise stock car. Good luck with it all
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      08-29-2009, 11:22 AM   #19
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Quote:
Originally Posted by Zeph View Post
No point in running map 7 type of boost numbers on the stock FMIC. You might get 1 good pull before the heat-soak sets in but that isn't even certain. I think the recommendations to use map 3 are right on target. Get an FMIC and THEN perhaps a DCI and you should be able to run more boost, like map 7 or whatever.

Your dyno looks about like my duno on just an SSTT on an otherwise stock car. Good luck with it all
Correction. SSTT doesn't even come close to his numbers. It's pushing around 310rwhp/330rwtq depending on the dyno. He's numbers are way higher, even running inappropriate map. He definitely needs to add recommended bolt ons to his car or/and up his octane number in order to efficiently dyno MAP7.
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      08-29-2009, 01:33 PM   #20
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Quote:
Originally Posted by NRG View Post
Correction. SSTT doesn't even come close to his numbers. It's pushing around 310rwhp/330rwtq depending on the dyno. He's numbers are way higher, even running inappropriate map. He definitely needs to add recommended bolt ons to his car or/and up his octane number in order to efficiently dyno MAP7.
My stock dyno was 291 RWHP and 304 RWTQ. My SSTT only dyno was about like his, like I said "MY DYNO" but more importantly what I meant was how it also dropped off up top a good bit. Regardless, on map 7 it isn't a very good dyno and he probably doesn't have the proper support for that map.
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      08-29-2009, 03:36 PM   #21
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thank you guys for all the comments

i got the scoops and bms dci ordered. and getting ar downpipe catless

then you think i can run map 7 with good numbers?
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      08-29-2009, 03:40 PM   #22
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Not to sound redundant but I think FMIC has gotta be changed 1st. I feel like DCI's are going to raise IAT's and without an upgraded FMIC it is just going to make things worse. I also feel like the FMIC is the most restrictive and just all around "shitty" part on the whole car from a performance perspective. I do like DCI's after an FMIC is installed and DP's are great too, don't get me wrong. I know we have 93 octane here and some have ran map 7 on 91 octane (I think hotrod did/does on a stock car) so I guess each car is different.

Good luck with it though
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