View Full Version : Support & Log Review
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- N54 N55 diagnostic code listing
- Little to no boost? Read this thread first...
- JB4 laptop connection directions
- Logging Parameters and their Meaning
- Belts keeps shredding!!
- JB4 Duty Bias & FF Tuning Info
- JB4 with weird looking power wire
- N54 Fault Code List & Solutions
- Need help with coding injectors with scan tool
- Z4 35i Over fueling and using way too much fuel
- Trans fault 50870 help!
- 29F1 + 2AAF During cold start
- JB4 PUMP BEF XHP and exhaust burble questions
- Engine cuts power at 5k rpm- help
- N54 335i Logs
- Engine Failure after Carbon Cleaning
- light throttle hesitation
- N54 - only 13PSI Max. ?! Why?
- 335is FBO inlets stage 2 LPFP map 6 20psi
- Need Help - 2D2E & 30ff
- Oscillations, changed menus 10, 11, 12
- N54 2ABC code on startup
- New support subforum
- Duty bias
- Meth solenoid: what washer size and material?
- Need advice/help: map 1 and 2 switching to safety mode, no codes
- AFR Issue: Bouncing in logs
- JB4 Map 6 Log hybrid turbos.
- AFR difference on overrun below 1500 rpm? (log inside!)
- N54 oil leak between crankcase and engine block
- Anti lag issue
- Updated to ISO, errors
- Can`t connect to OBD II port
- Conficting o2 sensor codes.
- 2008 535xi boost leak.
- Help with codes after JB4 Install
- Hybrid Logs - Working though the problems
- N54 2b28 - DMTL, micro leak
- Log Health Check
- Smoking/fuel trims issue help
- N54 Log
- Fluctuating Boost target/Boost(nightmare)
- Bad Lpfp or HPFP?
- Am I ready for E30?
- Fault code 2ABD intake pressure sensor rerunning
- 2A82 VANOS code - Comes back even after replacement
- First gc lite log
- N54 - European BMS backend
- LOG REVIEW: Weird AFR bank-related issue
- Log Review Boost Saftey Help
- PLEASE HELP NO WHERE TO TURN
- HELP:Duty Bias possible issue
- 2EE3 coolant temp sensor plausibility gradient code and no boost .
- Low boost maps 3+
- Need help. After installing JB4 Car cuts off when I try to drive
- Need help after JB4 install. Car cuts off
- No boost after installing JB4
- I messed up, low boost/lag.
- 135i Tune 5 not hitting boost target
- Help still
- No boost until high rpms
- Single turbo log check
- Single turbo log check
- Low boost
- Running issue/Not hitting boost targets
- Boost problem
- Wagner Evo 3 Intercooler Review/Logs
- Log Review
- Log Check (Boost Solenoids)?
- Desn't work PI kit.
- E85 rb turbo log .Trans slip xhp3
- Bit of an oddball... Menu 1/4 question
- Log file for review
- Ignition timing, possible logging bug?
- Help still
- JB4 Unresponsive/Stopped Working?
- E60 n54 HYBRID turbos jb4 backend flash
- Map 5 Over and Underboost
- 29DC and 29F2 (e30 map 5)
- Boost Spike Issue?
- log check
- Single turbo PI meth log check
- Log review
- Data log critique?
- Throttle Body not opening
- Log Check please
- Clogged Meth Nozzle
- Jb4 MHD BEF map questions
- Hole in AC line. R134 all drained out -- need to replace dryer/compressor?
- Trans fault 50870 input signal error:tip-function
- Help please keep getting negative timing! N54
- Just installed ******* ********* no difference?
- new coils and plugs low boost after!!
- Need help passing emissions
- a bit of advice appreciated...overboosting
- First Data Log
- Hybrid turbos log
- race map 2016 vs 2017 terry payam please
- "Bucking-like" Power Cuts on Track
- Map 4 Woes
- Log review need advice
- First Data Log - Attempt 2
- Problems getting jb4 working with hybrid turbos and BEF
- Can't log with JB4 anymore
- Log Review Request
- UK First Time Log
- Help with reoccuring code(s)
- Map 4 after meth install
- Please review my log
- Wastegate pressure only
- 30FF at top of pull
- Race BEF Log Review and code advice please
- REAR DIFF HELP????
- Hybrid map log review before dyno
- Running Rough at Startup
- 2A98 Relative
- Log check please sounds like whining?
- [moved] New JB4 Install error codes isolated to JB4
- Please help, 2008 535i will not start
- Keeps switching to map 4 in about 2nd gear from a launch
- 335is headache
- Track tomorrow - Quick log review request
- Evap line Throttle body
- Help with lpfp needed
- First Log Attempt 3
- JB4 - Duty Bias not working after latest firmware update
- Can someone help read this log?
- 335i n54 help jb4
- Map 1 log, new *** feeling lazy???
- Longtime user...new JB4 Connection Issues!
- 2AAF Code after Stage 2 LPFP Install
- Log check please
- High rpm misfire, always cyl 6
- bef map 2 log
- Log After VTT aluminum outlets
- How to convert csv to graph?
- Please, check my log after adding cm12 nozzle
- Low throttle surging log
- Still can't get BMS PI to work :(
- High WGDC readings after turbos and new JB4 firmware installed
- 135i On3 not reaching target
- Help 335i Running lean wiht JB4
- Log Review
- N54 535i map 2 race BEF check logs please
- 2A2B 2D2E fault codes after removing OCC
- On3 Single Kit first log
- Huge difference Between Trims tried everything.
- Mmp1k logs
- Several codes pop up at once.
- 4 monthes overboost plz help log attached
- Overboost new jb4
- New to JB4
- Meth Solenoid Not Purging
- Several codes after removing JB4
- E85 Basemap with RB Next gen plus and PI
- 30BB DME question - multiple misfires
- Single Turbo Install AT question!?!?
- Logs from the dyno
- First Log Review
- Logs
- 30FC code Intermitently log attached
- Some error codes & CEL keep showing up
- Log Review (new to data logging)
- JB4 - check engine light
- Electrical tripping sound during cold start - unpredictable acceleration
- JB4 install
- single turbo Logs
- hybrid turbo log
- New to n54 tech!
- First Log Review Please
- Serial Comms Error
- 135i N54 JB4 and Ethanol
- Heater not working
- 2010 E90 335i Xdrive 93 octane only
- Does this sound like knock to you?
- Let-off causing kick to map4
- Low Map 5 Boost Target?
- Another go at a log
- Jb4 install complications
- Throttle Closing Itself During WOT Pull
- Bunch of codes
- First ever JB4 log quick review
- Map6 - Pure Stage 2 - Log Review please
- First Log after Back end Flash
- Bms oil catch can help!
- Map to run initially for hybrid turbos?
- Jb4 anti rattle algorithm causing smoking?
- throttle closure on WOT
- Boost leak and log review help
- Jb4 not connect
- Trouble Code / Cylinder Misfire
- Afr2 is 20!log attached
- 4bar TMAP sensor
- JB4 Bluetooth Connect Problems
- N54 6MT high rpm misfire - DMFW issues?
- Trouble Code / Cylinder Misfire (N54)
- Boost Leak? Never Reaching Target
- Where is the "Download latest JB4 Interface here" link?
- Single Turbo Overboost
- New WMI Kit Installed - Bad FSB?
- Best inlet and outlet solution?
- N55 oem bosch spark plugs fit N54
- Has My HPFP Gone Bad
- Looking for help with 30FF ... just did a boost leak test
- Bmw n54 crank no start issue 2a19 2fbc 2e7c
- what is 2e19 with auto tranny??
- Fuel mixture control
- M Button in 1M after JB4 and BEF
- Map 6 - VTT GC 2.0 - log review
- After e85, 1/2 pwr light, Codes. log check plz
- Need assistance with Fuel It CPI - Logs Attached
- Misfires in 4,5,6
- Log review - want to continue modding
- In need of some serious help (logs attached)
- BEF 4/2 help please
- car not starting NEED HELP!!!
- Log check after rebuild, S2 PI
- JB4 S55.
- Hpfp drop between shifts AT
- 3.5tmap issues
- Misfire only when cold
- Meth+ E85 BEF First log
- Helath Check
- New Firmware update! Big issue with user adjustments
- Single turbo jb4 just updated firmware and had issues!
- 100% Methanol + Upgraded Hybrids
- HELP, huge boost dip in mid-range
- Please help
- DME Version
- JB4 help
- Target boost issue
- dead alternator ?
- inpa help
- MHD shift bog fix -> 29DC between shifts
- Log Check After Fuel-It 650 install
- Need advice on adjusting gain and FF settings
- How to Turn on 6-cyl timing logging for 1M (IKMOS)?
- need help with single turbo logs
- JB$/MHD bef HELP
- 335i major juddering and whistle sound with JB4
- Duty Bias
- Need advice on jb4 settings
- No Boost Troubleshooting
- Need Advice ! Looking for a tuner & questions on my current setup !
- Log help , map 2 hits target , map 7 way under
- Need review on my Gc lite 2.0 hybrid turbo logs
- AFR2 reads 0 plus codes
- N54 335i DCT - MHD V8 Stage 2+ - 7"FMIC , CP , Stock **
- First Log after Stg2 LPFP install
- Loss of power, lean AFR Procede Map 2 Code 2C7B