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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 > JB4 stage 2 N55 Map 5



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      07-02-2012, 02:50 PM   #1
max1352012
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JB4 stage 2 N55 Map 5

I just updated firmware 7/1 to try the new map 5 on the JB4 stage 2 for N55 but would like to know more about this map 5 and its autolearning capabilities, can someone pls provide as much details as possible about how it works and its pros/ cons vs map 1 for example(91 oct gas)

Appreciate very much some one's comments, thanks
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      07-02-2012, 02:54 PM   #2
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it will only benefit you if you are using e85 mix or race gas
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      07-02-2012, 02:55 PM   #3
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it will only benefit you if you are using e85 mix or race gas
so use map1 then?
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      07-02-2012, 02:56 PM   #4
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Originally Posted by eyim1988 View Post
it will only benefit you if you are using e85 mix or race gas
so use map1 then?
If you have only 91 gas, then map 1 is the recommended setting.
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      07-02-2012, 02:56 PM   #5
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Quote:
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so use map1 then?
yea.. But i would seriously consider trying a mix with map 5 though. You will DEF feel the power difference.
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      07-02-2012, 03:13 PM   #6
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Quote:
Originally Posted by max1352012 View Post
I just updated firmware 7/1 to try the new map 5 on the JB4 stage 2 for N55 but would like to know more about this map 5 and its autolearning capabilities, can someone pls provide as much details as possible about how it works and its pros/ cons vs map 1 for example(91 oct gas)

Appreciate very much some one's comments, thanks
7/1 map 5 is a BETA autotuning map, suitable for all fuels ranging from 91 octane to race gas mixes including E85 mixes of up to 20%. For E85 mixes over 20% you need the flex fuel wires that will be available soon on their site.

Mike
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      07-02-2012, 04:39 PM   #7
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How long are you suppose to run on map5 until it really auto tunes? I ran a mix of 103 and 93 and map5... I ran map5 for an hour and it felt like crap and I just switched to map 7 instead.
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      07-02-2012, 04:54 PM   #8
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Quote:
Originally Posted by Sam335ix View Post
How long are you suppose to run on map5 until it really auto tunes? I ran a mix of 103 and 93 and map5... I ran map5 for an hour and it felt like crap and I just switched to map 7 instead.
Map 5 is continuously learning all the time. So if it was detuning the performance it probably saw something it didn't like with the way your car is running.

Mike
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      07-02-2012, 09:29 PM   #9
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Quote:
Originally Posted by Mike@N54Tuning.com View Post
7/1 map 5 is a BETA autotuning map, suitable for all fuels ranging from 91 octane to race gas mixes including E85 mixes of up to 20%. For E85 mixes over 20% you need the flex fuel wires that will be available soon on their site.

Mike
Thanks Mike, how long does it take for the tuning to adjust once i add higher octane gas? Any X runs at wot or so?
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      07-03-2012, 10:21 AM   #10
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Interesting. So how many psi on map 5. I am running map 2 right now with JB4 stage 2, ETS CP, AR DP, BMS intake, 93 octane plus Nos octane booster. Running FBO EVO X soon so need to get ready.
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      07-03-2012, 12:32 PM   #11
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Map 5 +E85 (60/40) /w new fuel wire connector = BEAST
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      07-03-2012, 12:41 PM   #12
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Quote:
Originally Posted by Sam335ix View Post
How long are you suppose to run on map5 until it really auto tunes? I ran a mix of 103 and 93 and map5... I ran map5 for an hour and it felt like crap and I just switched to map 7 instead.
You need to do a couple 3rd and 4th gear WOT pulls from about 2k - 7k for it to learn.
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      07-03-2012, 01:09 PM   #13
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Quote:
Originally Posted by steve.kodra
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Originally Posted by Sam335ix View Post
How long are you suppose to run on map5 until it really auto tunes? I ran a mix of 103 and 93 and map5... I ran map5 for an hour and it felt like crap and I just switched to map 7 instead.
You need to do a couple 3rd and 4th gear WOT pulls from about 2k - 7k for it to learn.
Sometimes it takes like 4-5 wot pulls to redline
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      07-03-2012, 01:10 PM   #14
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Quote:
Originally Posted by Mike@N54Tuning.com View Post
7/1 map 5 is a BETA autotuning map, suitable for all fuels ranging from 91 octane to race gas mixes including E85 mixes of up to 20%. For E85 mixes over 20% you need the flex fuel wires that will be available soon on their site.

Mike
Hey Mike,
Is the 7/1 firmware the N55_070112.HEX file?
what do the flex fuel wires do?
Would map 5 be ideal if I have a downpipe / charge pipe / intake - or just map 1?

Last edited by 335 oClock; 07-03-2012 at 01:16 PM.
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      07-03-2012, 02:17 PM   #15
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Originally Posted by 335 oClock View Post
Hey Mike,
Is the 7/1 firmware the N55_070112.HEX file?
what do the flex fuel wires do?
Would map 5 be ideal if I have a downpipe / charge pipe / intake - or just map 1?
I would run map 5 and let it learn as you will get the most optimal settings for your setup and octane. The improved boost targeting has made cruising throttle response much better in my opinion.
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      07-03-2012, 02:25 PM   #16
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Originally Posted by TreDirtyFive View Post
I would run map 5 and let it learn as you will get the most optimal settings for your setup and octane. The improved boost targeting has made cruising throttle response much better in my opinion.
Oh arite thanks , I'll do that
The 7/1 firmware is the just the N55_070112.HEX file correct?
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      07-03-2012, 06:20 PM   #17
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Quote:
Originally Posted by Mike@N54Tuning.com View Post
7/1 map 5 is a BETA autotuning map, suitable for all fuels ranging from 91 octane to race gas mixes including E85 mixes of up to 20%. For E85 mixes over 20% you need the flex fuel wires that will be available soon on their site.

Mike
mike. when do you think the wires will be available.
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      07-03-2012, 08:02 PM   #18
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I want to know if I'm in map 5 then I switch to map 0 or 2, for like a day, and then back to map 5. Do I have to do 3-4 WOT again so it can re-learn or is it a one time thing?
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      07-04-2012, 05:10 PM   #19
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Quote:
Originally Posted by eddi3B.
Quote:
Originally Posted by Mike@N54Tuning.com View Post
7/1 map 5 is a BETA autotuning map, suitable for all fuels ranging from 91 octane to race gas mixes including E85 mixes of up to 20%. For E85 mixes over 20% you need the flex fuel wires that will be available soon on their site.

Mike
mike. when do you think the wires will be available.
i ordered my flexfuel cord last nite whn can i expect it aswell
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      07-04-2012, 05:21 PM   #20
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Quote:
Originally Posted by eddi3B. View Post
mike. when do you think the wires will be available.
You guys should know by now that BMS posts all N55 firmware updates, beta notes, and that sort of information on their forum. You'll have to ask them there.

Mike
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      07-05-2012, 01:59 AM   #21
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Originally Posted by dannyboy6969 View Post
i ordered my flexfuel cord last nite whn can i expect it aswell
ordered them already? from where
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      07-05-2012, 08:20 AM   #22
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ordered them already? from where
Burgertuning.com
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