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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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      07-05-2012, 09:23 AM   #23
benzy89
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Originally Posted by Everfly View Post
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.
Don't waste your money on that, you're better off buying E85 or Race Gas. NOS (or any octane booster) isn't even worth a full octane point bump
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      07-05-2012, 10:20 AM   #24
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Burgertuning.com
yeah... not there
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      07-05-2012, 10:38 AM   #25
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Originally Posted by deemarr 335i View Post
Burgertuning.com
yeah... not there
under upgrades its there
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      07-05-2012, 10:42 AM   #26
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yeah... not there
Look under "upgrades" then click "jb3 to jb4" upgrade and "flex fuel wires" are at the bottom of that list....
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      07-05-2012, 10:51 AM   #27
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Originally Posted by deemarr 335i View Post
Look under "upgrades" then click "jb3 to jb4" upgrade and "flex fuel wires" are at the bottom of that list....
got it thanks,

... why would these wires help us be able to use more e85?

to use this much e85, wouldn't we need to do some conversions so our engines don't get ruined in the long run?

I'm not feeling too safe about running e85 too often on a car / engine not made for it -
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      07-05-2012, 10:59 AM   #28
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got it thanks,

... why would these wires help us be able to use more e85?

to use this much e85, wouldn't we need to do some conversions so our engines don't get ruined in the long run?

I'm not feeling too safe about running e85 too often on a car / engine not made for it -
that's the risk.. but there hasn't been a issue yet from either the n54 or the n55 side..
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      07-05-2012, 01:42 PM   #29
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so should I always have it on Map 5 from now? wouldn't it lag boost tho... if it tries to determine which boost to be pushing at which times, if I punch it.. wouldnt it lag
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      07-05-2012, 02:17 PM   #30
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so should I always have it on Map 5 from now? wouldn't it lag boost tho... if it tries to determine which boost to be pushing at which times, if I punch it.. wouldnt it lag
always have it on map 5. It will only change when you have different octane level than what you are using and will take a few WOT reline pulls to autotune itself.. After that it wont change unless you change to a different gas..
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      07-05-2012, 02:19 PM   #31
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so should I always have it on Map 5 from now? wouldn't it lag boost tho... if it tries to determine which boost to be pushing at which times, if I punch it.. wouldnt it lag
Why would it lag?? The whole point of Map 5/AutoTune is that the car adapts to the conditions its operating in & the mods you have installed to find the optimal tune setting. After a couple WOT pulls, the car will develop a "custom" tune for you. Obviously if you upgrade/change any of the mods installed, you'd need to reset the AutoTune feature.

The OEM turbos will always spool up between 2,500-3k RPMs, the tune + different map settings affect a lot of other variables besides boost.

I'm really gonna try to say it nicely, but people need to read what the fuck their tune does + the different features it offers the user before actually installing the fucking thing, whether it's a plug-in or flash based software.
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      07-05-2012, 04:52 PM   #32
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Map 5 +E85 (60/40) /w new fuel wire connector = BEAST
Tredirtyfive, how do you know this? Have you done the wire conversion? I need instructions if so. My e85 wires came in today!
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      07-05-2012, 05:00 PM   #33
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Tredirtyfive, how do you know this? Have you done the wire conversion? I need instructions if so. My e85 wires came in today!
I've been running it for a bit as a beta-tester. Did your wires come with instructions?

The car pulls HARD after autolearn adaptions. you will not be disappointed.
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      07-05-2012, 05:25 PM   #34
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I've been running it for a bit as a beta-tester. Did your wires come with instructions?

The car pulls HARD after autolearn adaptions. you will not be disappointed.
so just a few WOT runs and map 5 should adjust to the mods I have on?

then when I fill 20/80 e85 (or add NOS Octane booster)I should do a few WOT runs as well for it to adapt to the fuel for that time?

thanks
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      07-05-2012, 05:45 PM   #35
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so just a few WOT runs and map 5 should adjust to the mods I have on?

then when I fill 20/80 e85 (or add NOS Octane booster)I should do a few WOT runs as well for it to adapt to the fuel for that time?

thanks
i believe autolearn adapts on 3rd and 4rth gear...4500-7000rpm.
but, as a rule of thumb, anytime you mix up octanes, use e85 in
diff. percentages, etc. then you should re-adapt with WOT runs
in those ranges to get the most optimal settings.

I would start at 30% e85 and gradually to 50% (which is the most
you can try) if you want to find what works best for you.
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      07-05-2012, 08:15 PM   #36
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weres this flexfuel cord go piggy back onto the piggy back i thought i saw stripped wires??? i have ordered my wires aswell
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      07-05-2012, 08:50 PM   #37
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Don't waste your money on that, you're better off buying E85 or Race Gas. NOS (or any octane booster) isn't even worth a full octane point bump
I don't have access to race gas neither E85 ;(
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      07-05-2012, 09:00 PM   #38
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I have ran my car on map 5 with these mods and don't feel any difference tbh I think I feel a little slow
Bms intake and 93 octane gas
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      07-05-2012, 09:15 PM   #39
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I don't have access to race gas neither E85 ;(
If you care about it enough, E85, E95 + E100 can all be ordered in 55 gallon drums for market value (some even do free shipping)
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      07-05-2012, 09:25 PM   #40
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Update for me... Map5 and ran it for 30 miles for the first time with 93 octane... Boost is around 15 psi where map 2 was around 16 (peak) and map5 now feels much better than map 2.
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      07-05-2012, 09:36 PM   #41
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Damn E85 + 7/1 firmware = 15psi on map 5 (16 peak).....I'm in loveee can't wait to get my wires..... really debating on getting kittyless dp hmmmmm
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      07-06-2012, 09:43 AM   #42
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Map 5, 40/60 E85 and 50/50 Meth... Holy WOW!
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      07-06-2012, 09:54 AM   #43
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If you care about it enough, E85, E95 + E100 can all be ordered in 55 gallon drums for market value (some even do free shipping)
I need more information please
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      07-06-2012, 10:08 AM   #44
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I've been running it for a bit as a beta-tester. Did your wires come with instructions?

The car pulls HARD after autolearn adaptions. you will not be disappointed.
GREAT!!! Installing tonight, e85 tomorrow! No instructions with wires. Terry emailed me a diy last night, however. Can't fiqure out where the other end of dsub wire goes though..
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