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Directory Topics Posts Last Post
Model-Specific Engine Tuning & Modification Discussion
Topics: 319 Posts: 6,182
319 6,182
N54
2007-2012 BMW N54 Twin Turbo -- The Engine That Started It all!
Topics: 12,151 Posts: 170,579
12,151 170,579
Sub-Forums:
Support & Log Review (2,730/21,872)
N55
Topics: 3,242 Posts: 46,808
Last Post: JB4 Logs
3,242 46,808
UN55EXY_F30
Sub-Forums:
Support & Log Review (917/6,387)
B58, B48
230, 240, 330, 340, 440, M40, B46, B48, & B58 Applications
Topics: 1,307 Posts: 12,465
1,307 12,465
Shadows_Mkv
///M
S55, S63TU, S58
Topics: 873 Posts: 14,326
873 14,326
dftaylor1
Topics: 368 Posts: 3,457
368 3,457
N63, N63TU
550, M550, Etc.
Topics: 306 Posts: 2,862
Last Post: Dial in JB4 on N63
306 2,862
Mike_L
by Mike_L
Topics: 429 Posts: 9,376
Last Post: Map 2 log check?
429 9,376
Naturez569
VW/Audi Group
EA888 Gen 3 found in VW, Audi, Seat, Skoda and Porsche
Topics: 390 Posts: 6,048
390 6,048
Kia & Hyundai Turbo
Stinger, G70, Etc.
Topics: 1,162 Posts: 13,171
1,162 13,171
Topics: 58 Posts: 1,191
58 1,191
Topics: 140 Posts: 2,071
Last Post: ******** on GLE 53
140 2,071
xsb00st
by xsb00st
Topics: 114 Posts: 1,524
Last Post: E85?
114 1,524
johntotah94
Topics: 86 Posts: 1,302
Last Post: TLX type s map 4
86 1,302
dynarex
by dynarex
Topics: 13 Posts: 1,704
Last Post: Intro/Build
13 1,704
ben_cx5_gtr
Topics: 15 Posts: 363
15 363
Topics: 13 Posts: 360
13 360
Gucci
by Gucci
Topics: 53 Posts: 3,352
53 3,352
General
Track days, timeslips, and kill stories
Share all your legal race details here!
Topics: 681 Posts: 6,838
Last Post: Cadillac CT5-V V6
681 6,838
AndrewCash
Sub-Forums:
DIY Modification
Writeups, discussion, and photos for doing it yourself.
Topics: 441 Posts: 4,789
441 4,789
Wheels and Tires
Discuss wheels and tires here.
Topics: 222 Posts: 1,220
222 1,220
aaronramsdale
Topics: 139 Posts: 797
139 797
Topics: 154 Posts: 761
Last Post: '07 e90 335i
154 761
WayneRT
by WayneRT
Topics: 592 Posts: 2,994
592 2,994
Sub-Forums:
California (181/801)
Canada (19/69)
Europe (34/176)
Midwest USA (59/453)
Northeast USA (110/398)
Northwest USA (26/118)
Southeast USA (87/730)
Southern USA (21/69)
Southwest USA (54/171)
Market Place - For Sale / Trade / Wanted
Sell, buy, trade and make requests.
Topics: 4,797 Posts: 22,112
4,797 22,112
Off-Topic Discussions
Chat with other members on any topic.
Topics: 282 Posts: 1,264
282 1,264

What's Going On?

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There are currently 105 users online. 5 members and 100 guests.

Most users ever online was 3,342 at 10:47 PM on 10-10-2019.

JB4tech.com - International Turbo Tuning Discussion Statistics

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Topics: 34,735   Posts: 386,677   Members: 31,948   Active Members: 394
Welcome to our newest member, OKCStinger.

Latest Topics

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  • ben_cx5_gtr
    Intro/Build
    by ben_cx5_gtr
    Howdy from Houston Folks!

    2021 GTR

    Current Mods
    jb4 Map2
    CS intake
    CS lowering Springs

    Upcoming...
    Yesterday, 08:47 PM
  • Shadows_Mkv
    Christmas Tree Dashboard
    by Shadows_Mkv
    2023 Supra 3.0 MT Premium

    I got off work from my 10 hour shift, turned the car on and it kinda struggled a bit, then all the lights came...
    Yesterday, 08:33 PM
  • dftaylor1
    s55 MHD /JB4 BEF confusion
    by dftaylor1
    First time post, long time radar, thanks to all for the great info to date.
    So here is issue; Previously had B58 w MHD, JB4 BEF and xHD, worked...
    Yesterday, 05:07 PM
  • rproc
    B58 log
    by rproc
    Hey folks,
    I have a new to me JB4, and want to know how everything looks based on this pull? running map 2 with the crappy "94" fuel we...
    Yesterday, 10:13 AM
  • SweetBMW
    2D2E
    by SweetBMW
    What does anyone have to say about the 2D2E code? It seems like it’s from either a cracked turbo inlet or a bad throttle body? According to what the...
    Yesterday, 08:16 AM
  • Dboogie303
    New to JB4. Looking for help on creating a custom map 6
    by Dboogie303
    I'm new to the forum and completely new to the JB4 world. I purchased a used but in excellent condition JB4 a couple days ago and have it installed on...
    03-20-2023, 07:39 PM

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