Jb4 downpipe fix. Another option is a JB4 Piggyback tune.

Jb4 downpipe fix Outside it is noticeably louder, more sportier sound, but still not anywhere near to my neighbors v8 truck Have some bangs and pops free revving but still nothing under load, Mar 24, 2015 · I have a 2007 BMW 335i that i bought around a year ago. People who usually buy downpipes also buy JB4, which auto clears the CEL. Unless they use a sniffer you should be ok. E81 / E82 / E87 / E88 Idk if the new jb4 firmware does. I'm impressed yet I feel like I can get a lot more out of the car with some bolt ons. E81 I believe the Jb4 eliminates the CEL if im correct if you decide with a catless. So bad BMW issued many many many updates to try to fix it. 1 seconds. The sound and acceleration are incredible! The JB4 w/stock downpipe was awesome, but, the addition of the downpipe seems to have taken things to a whole new level! I didn't get any lamda codes so I assume JB4 downpipe fix is working fine? Thanks a lot. Location: Wash, DC. I have a quick question regarding the BMS downpipe fix. E90 / E91 / E92 / E93Model Year: 2006 - 2011. my question is: is I tried looking for a tune that would do a downpipe fix but it was only available on the n54. G42Model Year: 2021 + Mar 14, 2023 · The CTS downpipe will most likely trigger the check engine light, the jb4 can clear the code, but it won't do it automatically. Any Downpipe you put, will most likely void your warranty. Richard -Richy_Boy M235i - KONI Yellow Shocks, H&R Springs, BMS Intake, M Performance Exhaust & Aero, 403m wheels. The CEL is on due to the downpipe. Private First Class . Will get some proper numbers soon. But again, there's always a question in the back of my head the "what if" it's not just the downpipe thats throwing the CEL. Second Lieutenant . Waiting on my Afe turbo inlet as well. I was looking a VRSF and they do have a downpipe fix but I read it's not something to install every time and it's just to pass emissions. So I have the APR downpipe Vibrant J spacer with JB4 and am getting a check engine light. Posts. Super easy install with great results. I have done everything I absolutely can to make this thing pass, and no luck. R. I’ve been reading about the BM3 and JB4 options, which one is easier to install and use? Do both programs require a bench unlock? Jul 19, 2015 · Question about jb4 and downpipe fix Bimmerpost ☰ Model Selection. Car is tuned with a jb4 and a backend flash. A downpipe alone will net gains as will the JB4 alone. Jun 4, 2019 · In this video I show you how to install the VSRF DP fix in your e90 335i. I know those are for the 02 sensors at the downpipes. 266. G42Model Year: 2021 + F44Model Year: 2020 + Previous Generations; F22 Hey everybody I just got a catless downpipe and will be getting a stage 1 tune relatively soon. I own the v3 unit with the adjustable switch. I was consistently doing 4. Information on my car - 2007 335i N54 On3 single turbo kit Manzo catback exhaust E60 mix on a custom tune (jb4 + mhd bef) I am in Colorado, typically for a I have an 09 335xi. Get a downpipe fix and set jb4 to map 0 or flash to a stock bin, do your drive cycle for readiness. I have jb4 with VRSF catless downpipe with a dorman 42009 spark plug non-fouler $6 (buy it at autozone/oreilly) installed with the rear 02 sensor. Free Shipping - M3/M4 JB4 and Downpipes on Sale - Evolution Racewerks Charge Pipe on Sale - ER Charge Pipe with Tial BOV in Stock and Ready to Ship - ER FMIC - BMS DCI! Save Share Reply Quote Like. I you mounted the dp only for the sound then go for the CEL-FIX. If you do not use JB4, then you would purchase something that does delete the CEL such as the CEL fix offered by VRSF. Join Date: Oct 2010. sounds amazing! next step is down pipes. Rep. 8. Appreciate 0 Quote 08-09-2017, 09:26 PM B58 catless downpipe fix o2 spacer Just thought I would put it out there for anyone that was curious or was wanting to go this route. G22Model Year: 2020 + FS JB4 G5 with USB cable and Downpipe fix. Use the JB4 tune : ~600us$ I must admit you made a bad decision mounting the pipe without checking the side effects, but F that and get on with one of the above. I heard JB4 has a JB4, catless downpipes and dyno testing. So I decided I didn't want the jb4 yet and got the jb+ I realized the cel would come up so I decided to give the of spacers a shot. i got done bolting on my new catback exhaust yesterday. Join Date: Jul 2013 Sorry to resurrect this older thread, but I didn't want to start a new one for this question. BMW 1 Series Coupe Forum / 1 Series Convertible Forum (1M / tii / 135i / 128i / Coupe / Cabrio / Hatchback) (BMW E82 E88 128i 130i 135i) > Technical / Specific Topics > 135i Turbo Engine (N54 / N55), Exhaust and Drivetrain Modifications 135i n55 Throttle lag / DCT lag mods: JB4 + aFE cai + bms downpipe N55 Real downpipe CEL fix in the works anywhere? Bimmerpost ☰ Model Selection. Mar 12, 2024 · Hello, I have a 2019 330i B46 with an exhaust and catted downpipe. It was throwing codes because both units didn't pal along nice. I have Torque and Carley apps which supposed to clear codes but I have not tried. Featuring 5x the processing power, 2x the memory, more robust signal conditioning, and of course integrated CAN. Is not activated. I've been running it for over 2 years now with great success. Hi Guys, just recently got a 22 X6M50. Sep 15, 2022 · The JB4 is worth it, whether you run the 94 octane or a higher ethanol blend. Bimmerpost ☰ Model Selection. Labor is also a lot more for the FDP. I read the codes, but there isn't a CEL that pops up. Again, my catless downpipe I’ve heard of successful powertrain warranty claims with JB4/downpipe removed. I pulled a 3. No codes or cel. Drives: AW 1M. Feb 22, 2018 · JB4 + Downpipe for the last 7 months, no overboost issues with map 1 and custom map 6. 108. X Currently using Map1 with the catless downpipes and it feels 'right'. I N55 stand-alone downpipe fix. VRSF catless downpipe fix - Is it Okay if I leave it? - Page 2. Colonel . I'm planning on adding a Depo Racing catted downpipe to go with my JB4 this spring. 67 second 0-60mph today with only the JB4 and high flow catted down pipe. I eventually had to switch back to the stock downpipe and do the drive cycle to get the o2 sensors ready for smog. I ran JB4 with and without downpipes. At first, there was no check engine light, but after some aggressive driving the check engine light came on. my question is: is I ran a JB4 with a catted CTS Turbo downpipe for 3. I have a vrsf downpipe fix installed, and yes it is wired in Jb4 Dp Fix Issues. Wastegate rattle fix with JB4? Bimmerpost ☰ Model Selection. I am looking for anyone within 3 hours of Rochester NY for help with this that has a DP FIX for my car that i can purchase ASAP seeing You cant fix the CEL anymore with JB4 Uploading the firmware got rid of that. When X-Kitty is a fully adjustable fix that eliminates timing pull, oxygen sensor miscalculations, check engine lights and tuning issues associated with high flow exhaust systems. Cart 0. G42Model Year: 2021 + Sorry to resurrect this older thread, but I didn't want to start a new one for this question. If its sound you looking for, a lower downpipe would help and give performance as well ( not as much as the FDP). Quote 07-25-2018, 05:31 PM #2: rackjuediger. Drives: 2018 230i. G42Model Year: 2021 + F44Model Year: 2020 + Previous Generations; F22 / F23Model Year: 2014 - 2020. Our new CANbus module allows the JB4 to communicate with your vehicle like never before. If the JB4 does not have the option to turn off the second O2 then the PCM sees the CAT is not working or missing. 5 T-map sensor~ VRSF HD FMIC~ VRSF Chargepipe~ VRSF Catless Downpipe~ CTS Intake~ FTP boost pipe~ FTP intake inlet~ FTP oil catch can~ Turbosmart dual bov~ Appreciate 0 Quote JB4 PROcede Cobb. Feb 22, 2018 #7 Jb4 map2 and a cts catted downpipe, I’ve never had a single overboost code with this setup. Others: BMS OCC, BT Scanner, Mud Flap. I recently purchased a DP fix and am having trouble getting the desired results. JB4 does not tune the car. Sign in or Create an Account. The CTS downpipe will most likely trigger the check engine light, the jb4 can clear the code, but it won't do it automatically. F40Model Year: 2019 + Previous Generations; F20 Jordan E30 Tune~ Dinan Turbo~ BM3 trans tune~ XDI-35~ 3. This is a simulator for post cat o2 sensors. built in downpipe fix, hot/cold oil temperature protection, progressive methanol integration, water Both the Cobb and jb4 should clear the CEL from downpipes. Private . We've been pioneering plug & play performance tuning, intakes, and mods since 2007. Thanks for this, I’ll be ordering this as soon as I can find a shop that’ll put it in! Sep 15, 2023 · I recently was messing around and put in a Downpipe Fix (DP fix) on to my jb4 everything worked great, sat over the weekend, car got rained on went to start it and the car cranks but wont start checked fuse f37 (30 amp) but keeps blowing everytime i crank it  · do i need downpipe fix? Bimmerpost ☰ Model Selection. I ordered a j style o2 sensor to see if that will help. did you use the Downpipe fix from BMS, when you run the downpipes you can throw codes. _____ WedgePerformance E40 MHD | Performance Exhaust Mod | BMS DP | Vibrant 1790 | BMS Intake | VRSF CP | xHP Stage 3 Michelin PSS | M3 Control Arms LUX v4 LEDs | Shadowline Grills | Lip Spoiler . I personally had a JB4 and BEF and setup a switch to bypass the Hi guys, I know this may have been talked about numerous about of times but I wanted to know if the newer JB4 cannot wipe out the CEL from the downpipe anymore. won't be too quick, need another . M. Anyone running JB4 overtop of Dinan tune? Bimmerpost ☰ Model Selection. You must keep clearing the code every time it pops Someone please correct me if I'm wrong, but if you're running a car with catless downpipes and you need to pass an inspection that includes an OBDII scan, my understanding is that you need both a tune that clears the check engine light AND , with the exception of the BMS JB4 tune, a dp fix for purposes of readiness. F40Model Year: 2019 + Previous Generations; F20 Seems like a lot of 3 series guys use these (although the latest JB4 comes with it built in so it's not necessary). 1.  · E81 / E82 / E87 / E88Model Year: 2004 - 2011. Appreciate 0 Quote 11-23-2011, 04:02 PM #18: dbogner10. Quote 08-22-2018 So here's an odd question. When i bought the car it was inspected and my inspection is now up and it keeps failing due to the readiness not being set. Im hoping this will hit 480 JB4 is an excellent option, and if you want a downpipe and no CEL, the AA DP is about your only choice. I have no idea if Jan 6, 2013 · Current discoveries for N55 Catless DP. ISTA is easy to use and clears the codes. Without, it was as simple as switching to map 0 and going through drive cycle. A. G42Model Year: 2021 + F44Model Year: 2020 + Previous Generations; F22 / F23 WTB BMS DownPipe Fix. 299. You can do both at the same time and run Map 1 or Map 2. Just to make sure the jb4 does not interfere with the inspection computers and all. Mels15GTI Ready to race! Location Northwest. G42Model Year: 2021 + F44Model Year: 2020 + Previous Generations; F22 Want to get JB4 and VRSF Downpipes - need some Suggestions? Bimmerpost ☰ Model Selection. I already have the BMS intake and VRSF chargepipe, however it definitely needs a downpipe and FMIC. Fortunately I live in a state where i don't have to go through any type of inspection after the car has been tagged. The car has a JB4 ECU and Catless downpipes. Might be that just reseating the connectors could fix the issue. We make multiple pieces of hardware to address it. I will post my best run stock and my recent run after JB4 and DP install. I still don't think it's an OBD port issue if his scanner is reading. I can clear it with jb4 app no problem. CEL light come up after around 100 miles. Passed with no problems. G42Model Year: 2021 + F44Model Year: 2020 + Previous Generations; F22 / F23Model So, you've got Catless Downpipes and haven't flashed to MHD Stage 2 or Stage 2 + yet? Well, let's get rid of that pesky check engine light by installing the Oct 4, 2022 · Just installed new G42-specific B58 decat downpipe. F40Model Year: 2019 + Previous 2007 SG 335i Coupe -- DINAN Stage 2 ECU flash I AR Design Catless Downpipes I BMS Downpipe fix I Helix Intercooler I Milltek full exhaust I Stett Charge Pipe I Forge Diverter Valves I BSH Competition Oil Catch Can I BMS Dual Cone I have an 09 335xi. F40Model Year: 2019 + Previous Generations; F20 / F21Model Year: 2012 - 2018. Hey! I made this post to hopefully help out another single turbo n54 owner looking to pass emissions. E81 / E82 / E87 / E88Model Year: 2004 - 2011 Downpipe fix or JB4/Cobb/Remap . Oct 3, 2019 · I just got back from getting my Titan downpipe and Fabspeed 02 extender installed. Appreciate 0 Quote N55 Downpipe/JB4 question. To fix this you will need to run a DP fix from Burger Tuning or such. Drives: 335i touring pre lci. B. I installed a vsrf catless Downpipe about 3 months ago and I noticed there's some lag. Mine is throwing codes, but no CEL pops up in the dash. iTrader: Quote: Originally Posted by Jeff@topgearsolutions. How reliable would it be for 30-40k miles ? The stock exhaust system is waaaay to quiet coming from a X3M comp. G42Model Year: 2021 + im seeing alot of members here getting cel for the o2 sensor after putting in a catless downpipe. G42Model Year: 2021 + F44Model Year: 2020 + Previous Generations; F22 Help with VRSF downpipe fix for F30. G42Model Year: 2021 +  · E81 / E82 / E87 / E88Model Year: 2004 - 2011. 146. This is wrong. There's a lack of customizability and power. G42Model Year: 2021 + F44Model Year: 2020 + Previous Generations; F22 / F23Model Year Guys, I'm really on the fence about just doing the JB4 vs the Dinan II tune and getting some catless DP's with the money saved. JB4 Auto Clear WILL NOT prep readiness for emissions; Wrapping the O2 (for cat diagnostics) around the DP will make you throw a code for too much O2; Companies have so far abandoned further production on a fix like the BMS one for N54 engines because the N55 DME isn't as easy to fool May 1, 2018 · Installed my new vrsf downpipes today after driving about 50 miles cel came on. The BMW N54 is notorious for it. will report back with results once it's done. good luck. Does anyone know how it works? Is it an O2 simulator Jan 19, 2023 · ^^^Correct. BMW 3-Series (E90 E92) Forum > E90/E92/E93 Marketplace (For Sale / Trade / Wanted) > Private Owners For Sale / Trade / Wanted > Turbo Engine / Drivetrain / Exhaust Parts > FS: N54 VSRF Downpipe Fix Google Search Issues like you are talking about, yeah probably a sensor or wiring issue. I know there are a lot of JB4 haters out there, so please take it easy on me. Really hoping that these mods will add some nice power and oem downpipe and inlet are quite restrictive. Looking to make more power. 95. No complaints from me. I plan to uninstall the cobb and plug in dp fix for emission in I have the JB4 on my 2022 and it is definitely quicker. VAG cars will get flagged with a “TD1” (ecu modified) I have my jb4 set to map 0 with the wedge dp fix. Hopefully testing the ///M map later today if we can get space on the Dyno. It can depend on the service department really, some are ok most are not. Appreciate 0 Quote 03-30-2012, 11:13 AM #17: MDORPHN. The JB4 or COBB will remove the light for day to day driving, but for the N55 the JB4 is really the way to JB4 will auto clear the cat codes, with auto clear enabled. E81 / E82 / E87 / E88Model Year: 2004 - 2011. Been working on it all season. iTrader: I have a downpipe fix for sale if you need one. Dec 14, 2020 · At the end of the day, it doesn't do much bang for buck. Before the JB4 I couldn’t even manage to get down to the factory claim of 4. You must keep clearing the code every time it pops up. My question is, can the jb4 autoclear the check engine light or do I have to do something about it ? bms downpipe fix v3. compliant, they removed the JB4's ability to auto-clear the CEL caused by Sup guys, in this video we show you how to install the JB4 Dp Fix. That's the code people are getting before thier HPFP goes out!! I'd be keeping a close eye on that one Jun 12, 2016 · JB4 and catless downpipe problems. I installed the downpipe fix and flashed back to stock. Also make sure the JB4 CEL clearing setting. G42Model Year: 2021 + Ever since I got my catless downpipe With the jb4 like 3 months ago I’ve been getting it and I haven’t gotten it looked at due to the fact that the car runs very smooth Could be faulty JB4 sending codes I figured I would post my results to help others in the future decide if the JB4 it’s worth it since in my search I saw mixed reviews. Sound increase inside is only marginal, not louder really, just a bit more drama. I have adjusted the setting all the way to 2oclock and everytime I turn the car on the CEL pops up and the codes are: 2EF5 Map thermostat, Input signal (this only appeared after installing the DP fix, piggybacked on the JB4) 29F4 Catless Downpipes Detected Jan 1, 2025 · See my dyno graph attached. I am going to be getting the ar design downpipes and just wanted to know if the bms downpipe fix is a must buy, You can continue to run the DP fix with the JB4, but its not needed. map switching on the fly via steering wheel controls, built in downpipe fix, hot/cold oil temperature protection, progressive methanol integration, water pump remapping, Long term downpipe fix without JB4? (Not for emissions) Bimmerpost ☰ Model Selection. I would unplug the JB4 from the map and tmap (what I said was the baro in the previous post, the one on the charge pipe not the manifold) sensors and see if you have issues without the JB4 hooked up. Found this out The JB4 tuning system includes this functionality built in so a DPFIX is not required if you are already running a JB4 Performance Tuner! So is something going wrong with the pipes, or the tune? If it's the tune I see now way to resolve it in the performance tuner. G42Model Year:  · E81 / E82 / E87 / E88Model Year: 2004 - 2011. Good to know. Sep 15, 2022 · Also I just now installed the jb4 hoping it would fix the issue but feels the same, I honestly don't feel any power difference from the tune. I have a vrsf downpipe fix installed, and yes it is wired in N55 Downpipe/JB4 question. G42Model Year: 2021 + F44Model Year: 2020 + Previous Generations; F22 Long term downpipe fix without JB4? (Not for emissions) Bimmerpost ☰ Model Selection. The @bgrperformance on ig Bmw 135i 128i 328i 335i 340i 550i 540i x2 x3 x5 x6 LPFP & HPFP Install - LPFP Sensor Install - HPFP Sensor Install - Charge Pipe / bov Install - TMap Sensor Install - JB4 BMW mechanic special - Cars & Trucks - San Bernardino, California | JB4 could be a solution I read it auto clears but at ~600$ to remove a CEL I dunno. G42Model Year: 2021 + F44Model Year: 2020 E81 / E82 / E87 / E88Model Year: 2004 - 2011. As part of BMS' effort to be C. I have Jb4 option turned on to delete faults at startup, which it does. G42Model Year: 2021 + I have the JB4 on my 2022 and it is definitely quicker. G42Model Year: 2021 + Help with VRSF downpipe fix for F30. 29. Thanks again for feedback. Looks like a 50-60 lbs fti increase in Torque from with the KFlash compared to my MAP2 JB4 (93 Oct). a buttery smooth new CAN based integrated boost control system, steering wheel controls, built in downpipe fix, hot/cold oil temperature protection Long term downpipe fix without JB4? (Not for emissions) Bimmerpost ☰ Model Selection. Getting a catless downpipe / How to avoid CEL? Bimmerpost ☰ Model Selection. G22Model Year: 2020 + When you put a high flow downpipe, the turbo spools up faster than the DME expected and pushes higher boost, I doubt that JB4 will fix it though. is there a big fuel economy increase with just a DP fix? or will the DP fix and downpipes make me lose mileage? if there is a loss in economy then i probably will just go the JB4 route and get maximum power from the I will update you guys once the VRSF downpipe fix comes in and ready to install. im debating doing just the DP fix or going JB4. Menu / Search Cart 0. Location BMW 3-Series and 4-Series Forum (F30 / F32) | F30POST > Technical Forums > N20, N26, B46, B48 Turbo Engine / Drivetrain / Exhaust Modifications > N20 downpipe fix Google Search Search Forums The reason people are associate more rattle with a downpipe is simply that you can hear it more clearly with the stock DP removed, the downpipe itself has nothing to do with wastegate rattle. BMS dp fix or jb4! There is also Cobb and procede. Ok so it's about 3 months to the end of my lease and I am buying the car, first change I am planning is a BCS exhaust, was going a full cat back system but then I was thinking can I actually run a full BCS system downpipe with sports cell CAT on stock power without any warning lights coming up. It eliminates codes associated with catless d The DP fix is really only needed if the car is going for an emissions test. It's annoying having to clear the CEL manually from the jb4 setting everytime it pops up. With the JB4 on map 3 and the downpipe, the car literally feels like a completely different vehicle. G42Model Year: 2021 + F44Model Year: 2020 + Previous Generations; F22 For those with a catless downpipes and a tune, what options exist for getting monitors to show as either "ready" or "not available"? It seems like the "Downpipe Fix" was a popular option 5+ years ago, but that option doesn't seem popular these days for whatever reason; Can this be handled by tuning alone? What does MHD Stage 0 do for monitors? JB4 + Downpipe for the last 7 months, no overboost issues with map 1 and custom map 6. the downpipe fix will correct this issue. Otherwise, I'm really happy with my VRSF and deal with the CEL. /Krelle Went through with catless downpipes and downpipe fix on stock tune and passed recently. 5 years. 2,898. But if i am not saying that you will have a problem, but i remember reading a thread with people having problems with their o2 sensor after keeping the dp fix for a long time (Of course now that i need the link i cannot find that thread ) Again i have not seen any posts from terry about the dp fix having any link to damaging o2 sensors, but since most of us have a jb4 with the Dec 10, 2019 · Like many I've been waiting for someone to crack the ecu. I am getting code P013800 any ideas? I am in the same boat as the OP and do not want to autoclear the codes via the JB4 in case there is Long term downpipe fix without JB4? (Not for emissions) Bimmerpost ☰ Model Selection. Drives: 08 e92 Downpipes will throw a CEL regardless of which brand you buy. but i've cleared the CEL code about 3 times now with my OBD11. Some people say Jb4 clears the catless down pipe code and some people say it doesn’t, can anyone give me a clear explanation on this ? I have a b58 340i. 5 T-map sensor~ VRSF HD FMIC~ VRSF Chargepipe~ VRSF Catless Downpipe~ CTS Intake~ FTP boost pipe~ FTP intake inlet~ FTP oil catch can~ Turbosmart dual bov~ Appreciate 0 Quote Mar 8, 2016 · It would be good to see some OEM > JB4 > Downpipe + JB4 runs on normal UK 97/100 RON fuel. I'm getting rejected from emissions for 02 and catalyst not ready. Another option is a JB4 Piggyback tune. When I ran the Wedge Fix + Cobb Stage 2+ I had issues. For example, you can't even change the fuel ratios enough for pops and crackles or install a downpipe. Location: California Oct 7, 2016 · Note, with the downpipe fix on the car I would advise that you turn the jb4 to map0 and drive it for a while to make sure the sensors are back in the "ready" state and then go get the inspection done. G42Model Year: 2021 + N54 accelerates by itself. If you have the more For performance, a full down pipe is recommended. I thought that was odd. As long as the issue is unrelated to whatever you're trying to fix under warranty, you should be fine. 4 and now I Upgrades your JB3 or JB4 G4 control box to the latest JB4 G5 processor. Manufacturer of the world-famous JB4 performance tuner. but not soon enough to be able to deal with the CEL light. The JB4 just tricks the DME by modifying the sensor values. This was a 2WD dynojet dyno. Search. This had worked for me from the start and never received a cel.  · Downpipe without jb4. X-Kitty installs within the ECU wiring harness. I have the JB4 with downpipes and compared the dyno figures of SOS new KFlash to what my car dyno'd with the JB4 and downpipes. The JB4 does not cause any issues with catless downpipes. You get the most of the downpipe when you log the car and then George will set you up with a Map 6 for you. What is the easiest way to clear the light? Not really worried about performance. Appreciate 0 Quote 07-23-2013, 10:26 PM #4: greg135is. It is now August, my yearly inspection has been up since March. With downpipes, set to map 0, install DPfix and go through drive cycle. Request: How To Install Downpipe Fix. 13. Definite power increase using the bum-dyno. Make make sure you set the jb4 to map 0 so the obd port can read. I wanna know if there's any other method to not trigger the check engine light after catless downpipe. The downpipe fix is working as the 2 cat codes went away as soon as I installed it. Had to drive about 100 miles before cats and evap showed ready on the readiness checker. Appreciate 0 Tweet. my baseline was 345whp stock and the highest with the JB4, larger IC, intake and meth (JB4 too) was 417whp. Join Date: Jul 2013. Emissions w/downpipe possible solution? Bimmerpost ☰ Model Selection. Search in titles only Search in Market Place - For Sale / Trade / Wanted only Hey everybody I just got a catless downpipe and will be getting a stage 1 tune relatively soon. JB4 with catless downpipe Hello guys I just bought a 2021 X5 45e I wanna tune it with jb4 and install a catless downpipe. G42Model Year: 2021 + F44Model Year: 2020 + Previous Generations; F22 BMS Downpipe Fix – Installation Guide – 01/18/2010 BMS DP Fix Installation Guide © 2009 Copyright Burger Motor Sports, LLC 2 / 16 BMW N54 135 / 335 / 535: Hey guys! Today I ordered Jb4 fuel wires, and the xforce catted downpipe. You start getting decent power when dialling in map6 with adding boost at different RPM and really taking advantage of that downpipe. Appreciate 0 Quote 01-08-2015, 10:42 E81 / E82 / E87 / E88Model Year: 2004 - 2011. My question is about the O2 spacer needed to avoid a CEL (to pass OBD emissions tests). Update New run completed using Map3, I did add 1 gallon of E85 to 8 gallons of 93. Any input? Appreciate 0 Tweet. Join Date: May 2014. Currently running a doc race single turbo kit. New Member. G42Model Year: 2021 + F44Model Year: 2020 + Previous JB4, emissions, can't find BMS fix, install stock DP's to complete readiness? Bimmerpost ☰ Model Selection. Longroof Unitronic IS38 Pretoria's / Eibach / Bilstein - BBS / Milltek - RAYS. The DME programming is the same. 3. G42Model Year: 2021 + I recently was messing around and put in a Downpipe Fix (DP fix) on to my jb4 everything worked great, sat over the weekend, car got rained on went to start it and the car cranks but wont start checked fuse f37 (30 amp) Stock B58 with MPE. G42Model Year: 2021 + F44Model Year: 2020 + Previous N55 Downpipe/JB4 question. G42Model Year: 2021 + F44Model Year: 2020 Jun 21, 2015 · Wastegate rattle fix with JB4? Bimmerpost ☰ Model Selection. than the left but I noticed the uneven sizes last week so nothing to do with the install on the day but it's an easy fix for me to sort  · Performance Mods: JB4 on Map 5, BMS DP Fix V3, Injen polished intake, AR Catless DP, Maddad resonated mid-pipes, aFe exhaust polished tips, ST Suspension Coil Over and Hotchkis front sway bar. Drives: 2013 135i. Looking to go with cat-less downpipes and JB4. I do know there is the bms downpipe fix option for those having to go through inspection. All runs were done on 93, the JB4 run was done in map2. 2. JB4 could be a solution I read it auto clears but at ~600$ to remove a CEL I dunno. Going to try an O2 spacer to see if this helps. I know the downpipe I’ve chosen to go with is hit or miss in regards to throwing up CEL on the dash. Downpipe fix is only for people that dont have tunes or if there flash tune doesnt remove the CEL. Combine both and it wakes up the car! Sent from my iPhone using Tapatalk Jul 23, 2022 · I have AA downpipe installed and mid-muffler (the one that is right after the downpipe) removed on a 2022 m40i. JB4 JB4 PNP (N54 Stage 3) BMW Performance Tuner featuring 5x the processing power, 2x the memory, more robust signal conditioning, and integrated CANbus. I was very skeptical at first, but this is hands down the best solution for passing OP doesn't have downpipes so they don't need a DP Fix, it wouldn't do anything. You will not pass emissions testing if your state requires the O2 monitors to be "ready" unless you have a As a previous N54 owner, I had a nice little DP Fix device that would simulate the correct post cat o2 sensors. 0 Reply. 242. Probably looking at doing JB4 OR catted downpipe first, but I'd like to avoid the DP just because the install seems difficult and I've heard about a check engine light. The misconception is that with a tune ie Cobb, JB4, ect you will pass this test. Appreciate 0 Quote 11-19-2015, 02:47 PM #7: AndyS. G42Model Year: 2021 + F44Model Year: 2020 + Previous Generations Jb4 catless down pipe fix cell $80 bucks if anyone wants This weekend I installed JB4 on my '11 335i. Drives: 2013 328i 6mt. Mar 15, 2019 · I can confirm that JB4 + DP is a very good bang for buck mod. G42Model Year: 2021 + Downpipe Emissions and DP Fix. They play well together. Does the built in JB4 downpipe fix allow a pass or do you need an O2 spacer or other means to keep o2 sensor in ready state? This would be for N55 engine and WTS JB4 EWG (N55) + VRSF Downpipe Fix (SD, CA) Bimmerpost ☰ Model Selection. All these tunes do is suppress the codes but they do not leave the ECU in a "ready or pass" state. Location: London. You can buy a CEL-FIX : ~20 us$ or 2. I run a 30% E85 blend probably 70% of the time, but quite frequently run plain 93. Ive had the jb4 installed for awhile, however just got catless downpipes and fmic installed, and now im throwing the 2caa and 2ca6 code. 14. Mike. Join Date: Feb 2018. F40Model Year: 2019 + Previous Generations; F20 / F21Model Year Is this inability to intercept the oxygen sensors part of the reason JB4 for the N55 doesn't seem to be forthcoming anytime soon? Yep. Never used, £25. LDP should not give you a CEL but will with a FDP (but a tune will fix that). BMS Downpipe fix, anyone use it? Bimmerpost ☰ Model Selection. I did not see any significant increase when I installed the larger IC+pipes (maybe more consistency run after run) and the intake. 4 and now I Looking into BMS Downpipe fix. This will allow you to pass the readiness test with catless DP's. I had a broken window actuator on my MX5 and they fixed it. I currently don't have my auto-clear workaround for the JB4 app, because I wanted to test the CEL. Already have a custom exhaust installed with resonator to make sure sound isn't too much with downpipes. Quote So I have a question, I hope someone can help me out. What was your experience? _____ This Vid is a Quick Tutorial Using A tuning Software Called Bootmod3 by Protuningfreaks. Hi guys, i have a F30 328i 2014 with the BMS stage 1 (I don't know if there is a fix for n20 dp) such as ISTA(which you can get on the forum). JB Stage 1 with a catless downpipe and CEL fix adapter. It does detect the catless downpipe. May 22, 2021 · 2Addicts | BMW 2-Series forum Technical Topics N55 (M235i) Engine, Transmission, Exhaust, Tuning JB4 without downpipe Post Reply Thread Tools: Search this Thread 05-20-2021, 10:42 PM #1: fish808. Location: Houston, Texas Hi Guys, just recently got a 22 X6M50. Join Date: Apr 2018. Also, that 2AFF code has nothing to do with your downpipes. Home; JB4 BMW 1 Series (N54) E81 E82 E87 E88 1M 1 The JB4 features a simple plug and play installation harness and built in deletion of hidden "tuner detection" codes. 4. JB4 JB4 PNP (N54 Stage 3) built in downpipe fix, hot/cold oil temperature protection, progressive methanol integration, water pump remapping, gear dependent boost control/traction assist, and much more to come with free firmware updates uploaded using a windows laptop E90 / E91 / E92 / E93Model Year: 2006 - 2011. Appreciate 0 I have catless downpipes and I still get a CEL randomly every couple days. . Every time I step on it when it Sep 8, 2015 · Chargepipe: The OEM chargepipe is total garbage and they are known to explode on STOCK boost levels, therefore if you go for the JB4, or any kind of tune, adding an aftermarket aluminum chargepipe is a must imo, BMS claims you don't have to do anything to the car after adding JB4 which is technically true, however your OEM chargepipe WILL Feb 6, 2024 · Evolution Racewerks 200 downpipe CEL & JB4 So I installed an Evolution Racewerks 200 cel downpipe in my 2023 M440i xdrive. I have 1 - JB4 with the older firmware never used if someone wants to purchase. Once I removed the dp fix I never saw the code again. You need to have a CAT or the PCM needs to be reprogramed to not read the second O2. lzslsk ullwh lyjdp zvqvnd ocglyo uqbfn jrlv ckp xqum icdqqj