N54Tech.com - International Turbo Racing Discussion
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Mpowermafia Mpowermafia is offline
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Car: 2009 335i n54 e92
Default 09-13-2020, 03:59 PM

Quote:
Originally Posted by Terry @ BMS
.
Hi I need help with jb4 installation bought off a n54 owner locally. Iíve connected the connectors that connect to the ecu/dme however the extra wire(S) I donít know where they connect to.
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(#3977)
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motojunkie motojunkie is offline
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Car: 335i
Default 09-14-2020, 06:36 PM

2007 335i 6MT

After an issue with some mosfets on my MSD80, now switched to MSD81, I finally completed successful MHD BEF. JB4 installed, set to BEF mode, map 1(firmware to latest on JB4).

Only "mods" are charge pipe/bov, and CAI.

My issue....after the BEF, my gas pedal feel is totally different. Like I'm having to relearn to drive it. The power seems to come on way too soon for normal driving, not so much that I can't get used to it, just way more touchy than I'd like. For instance, 1/4 pedal feels more like 1/2 throttle used to. Is there a way to get a stock like feel back to the pedal?
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(#3978)
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real_torcody real_torcody is offline
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Car: 2008 335i
Default 09-15-2020, 11:27 AM

I just installed all of these parts (listed below). What settings on my JB4 should I change to optimize the build before I start running endless logs? I am new to this and did all of the work myself (with the help/lack of help from DIY videos) but I don’t want to mess my car up when I start adjusting settings in my JB4.

2008 E90 335i
JB4 (map 5) + MHD BEF
TD04 19t turbo
N20 TMAS
2 inch inlet/outlet
Full charge pipe upgrade
Oil catch can
Upgraded PCV
Index 12 injectors
BMS DCI
******* DP
Muffler Delete
7.5 IC
Fuel-It stage 2+ bucketless LPFP (install this weekend)
Transcooler (as soon as part gets here)
Trans pan and filter replaced
Fluids all fully drained and replaced.
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(#3979)
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BreakMyWallet BreakMyWallet is offline
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Join Date: Oct 2015
Car: E60 535i Sport 6mt
Default Evap Readiness Possible with BMS BEF? - 09-19-2020, 12:07 PM

Could someone please confirm whether I need to flash to stock from the hybrid PI map in order to show readiness for evap?

I am on JB4 Map 0, but I'm not sure if I also need to flash back to stock for the BEF.

I can't seem to find this info by searching. I know evap takes a while to show readiness, but I want to make sure I'm on the right BEF for it to eventually do so.

(2009 535i)


2009 535i 6mt, PURE Stage 2, PSP 900IC, Fuel-It PI, PR N55 location ignition coils, VTT inlets, VRSF things, Injen Intake, RPi exhaust, Walbro 525, EOS BPM4.
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(#3980)
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n5418102 n5418102 is offline
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Car: 2008 BMW 535xi
Default 09-22-2020, 12:04 AM

how good would this jb4g5 be with the 17T turbos and how much boost would they target? thanks in advance.
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stalker31 stalker31 is offline
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Car: e90 335i
Default 09-23-2020, 12:24 PM

Hello, I bought a BEF MHD, I have hybrid turbos forced performance stage 2 600+ xHP stage 4, can you share the settings with me so I can get 500 hp. msd81 thanks
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