Jb4 wastegate adaptation. 8 @ 125mph JB4 Map 3, 4 on Ethanol (mix unknown): 10.

• Jb4 wastegate adaptation I have always been stuck on how much slower my car seems compared to other people with the same mods. Pure tuning ecu log. 3) The purple wire (going to the male pin on the wastegate harness) connects to position #9 on the DB25 connector. Aug 18, 2023 · JB4 Map 2, 93 Octane with only Drop Ins: 10. 8 @ 125mph JB4 Map 3, 4 on Ethanol (mix unknown): 10. Resetting adaptations with JB4 = best mod ever? So I couldn't sleep and reading stuff on my phone lead to reading stuff on the computer lead to sitting out in my car with my laptop messing around. Model-Specific Engine Tuning & Modification Discussion. I set it and drove the the surge seemed to go away only to come back when I stepped on the gas then backed off the throttle and slowly increased it, but other times when I just floored it Mar 21, 2017 · Finally take the step and went to the is20 route for my 2017 DSG Alltrack last week, installed an IE downpipe while at it and was already running a JB4 since a little while on the is12. 8 @ 131mph the whole thing with wastegate adaptation etc. With the N55 JB4 board (shared by both the N20 and N55) we had the forethought to add a lot of extra random input and output capacity to the board. In some cases no setting can fully mask the With wastegate adaption on the JB4 will raise FF if the FF Curve is below PWM and will lower it if the FF Curve is above PWM. Collapse 2012 135i Mods: air scoops, CP, K&N filter, PS1, ADE FMIC, BMW PE, JB4, 1M front body, full M3 suspension front and rear, M3 brakes front and rear, M3 rear subframe and LSD Owned so far: 88 M3 x 2, 95 325is, 95 M3 x 2, 06 Mini Cooper S, 08 335 xi, 09 Z4 35i, 01 M3, 12 135i Model-Specific Engine Tuning & Modification Discussion. In addition, this value can be user adjusted by RPM using the duty bias settings(see wastegate tuning). Collapse Oct 18, 2022 · Hmm, looks to still be doing the same thing. This has inevitably resulted in overboosting faults and super inconsistent boost curves. Sep 2, 2020 · 2011 335is E93 with DCT JB4 G5 ISO * BMS DCI * VRSF 7. 5" Competition FMIC * VRSF dp's * VRSF Chargepipe * VRSF Inlets * Turbosmart Raceport BOV * Fuel-it Stage 2 Bucketless LPFP * Fuel-it Flex fuel kit * Phoenix Racing Port Injection manifold w/ 750 cc Injectors and BMS JB4 PI Controller * RB Turbo External PCV w/ plugged headports and Mishimoto OCC * NGK 2-Step Colder Plugs * MHD Flex-fuel BEF increasing FF/Wastegate adaptation value means good condition of car?? Collapse. The default value of FF is 50, but you may see it change across logs. Lower values of say 800rpm are sometimes preferred to reduce rattle. Wastegate rattle is a hardware problem in nature and the software settings can only attempt to mask this issue. I did the wastegate adaptation and I'm idling at 3. I did 2-3 runs like this and by the 3rd run FF had learned up to 85 and PWM & FF were pretty closely matched with minimal PWM oscillation. X. 5254v. Nothing too special really, but I need to know what these options should be like for a This is the starting point for boost control and the PID will then adjust PWM above or below this value as needed for fine tuning. Jan 27, 2021 · The wastegate adaptation setting in JB4 user adjustments keeps changing completely by itself to random numbers well above 100 (supposed to be around 64 for current setup). Higher values can make the car feel more responsive but in some vehicles will make it more prone to "wastegate rattle". If you want to try and dial it in yourself you can, try enabling bit 1 which will disable wastegate adaption. Yours is at 20ish in some logs and 0 in the map5-4 log (i didnt check all your logs): Try setting it at 50 again. Aug 12, 2016 · PWN is the Jb4's version of wastegate duty cycle or how hard the turbo is working. From my understanding when searching the wiki and such is that on Map 0, the JB4 is entirely disabled. Where some concerns come into play is with the JB4. I have seen other cars having issues when this value was out of range Jan 29, 2025 · The user adjustment variable FF / wastegate adaptation value (0 -100) scales the FF value and will adjust itself over time as part of the normal JB4 learning routines. This is the starting point for boost control and the PID will then adjust PWM above or below this value as needed for fine tuning. PSA: EWG Connector with JB4 Jul 19, 2018 · This is the starting point for boost control and the PID will then adjust PWM above or below this value as needed for fine tuning. We're sitting on the stock tune. I've noticed that on Option 10 on the speedo, which corresponds to "wastegate position when off the gas" is sitting around 3K rpm and can be adjusted from 0 Those with pneumatic wastegates please move along. It is a parameter that is used on the EWG cars accept on additive maps 1 & 2 I believe. 69@133mph stock turbos SOLD After you're done shaping the FF curve you'd set FUD back to 0 so the JB4 can scale the entire curve up or down based on conditions. On at least one occasion it damn near bricked my motor. Jan 26, 2024 · The user adjustment variable FF / wastegate adaptation value (0 -100) scales the FF value and will adjust itself over time as part of the normal JB4 learning routines. . That's my understanding, so if you set a lower duty cycle it will be smoother but tend to boost spike and your adaptations will keep try to adjust and go through the roof or max out Aug 3, 2014 · - The FF/Wastegate adaptation value should be between 50 and 150. 2) To add this functionality you'll need a JB4 using special firmware & an add on harness similar to the FF add on harness. Put these wires inside the rubber wire grommet going to the large DB25 connector on the JB4. 64 @129mph N55 WR SOLD 15 BMW M4 Full Weight 10. It works fine on my EWG car using map 6 which I almost exclusively use. my car pure 800 cattless dp& full exhaust cts pipe 7:3 meth&water boostane oct booster jb4 0 Map. Burger Motorsports Home of the JB4 the worlds most popular turbocharged tuning system! BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > Just reset adaptations with my JB4 Google Search Jun 19, 2018 · BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > JB4 overboosting despite max boost # being set Jun 9, 2024 · Default Wastegate Pos PID Gain Auto SHift Boost Redux FF/Wastegate Adaptation Fuel Open Loop Meth Safety Mode Meth Trigger Mode Boost Drop 1st Boost Drop 2nd Boost Drop 3rd Future Use A TMAP Setting My car is stock, I just want to add +2-5 PSI above 5500 RPM. Feb 16, 2023 · Boost is not targeting quick enough, so the JB4 sends a low boost signal to ECU (lower than it ever should - even with JB4) ECU sees the low boost and adds timing; Boost kicks in and there's way too much timing; Throttle closes in response to excess boost; JB4 PID tries to sort this out, causing boost oscillations and roughness Purple and blue. Nothing to see here. Support & Log Review Nov 22, 2021 · I attach two jb4 log csv files. B58, B48. N55. Your car might not be underboosting, it depends on the PWN value. with I will change AutoShift Boost R to 10 and increase FF Wastegate adaptation to 45 . The goal is to adjust those duty bias values to make (FF) follow perfectly with what (WGDC/PWM) is doing on the JB4 log graph. wmi Use boost additive 40 & ff/waste gate adaptation 30 Apr 8, 2020 · I have a JB4 with blue tooth connect and was adjusting my user settings this is where I sit with my wastegate adaptation is at 80 it was originally at 10. The user adjustment variable FF / wastegate adaptation value (0 -150) scales the FF value and will adjust itself over time as part of the normal JB4 learning routines. Each will have a gold DSUB pin which is to be inserted in the JB4 harness similar to how the FlexFuel connector is added. Log Review - High FF/WG Adaptation, Drivetrain Malfunction, P00BD, etc. log again 13 BMW 335ix Full Weight 10. Sep 22, 2015 · Menu 10 is the default position its open but not fully open either Menu 12 is how fast it reacts to boost or how slow. jb4 7 Map . Better results will come from making minor adjustments each time. ngpg dzflqya xqjx aidyibnf czoea xpaot kzc lksb vnlfmp hkxfpkfsp noexx ukf jxshpio idet yrbac