Jb4 backend flash pump

Later this month I'll be doing a track day at Sebring with around 3 hours of track time, so I won't be able to run an e85 mix, probably just straight 93oct pump. Long story short - from everything I've read, it's one or the other; your Backend-flash options are: 1) JB4 in gauges only mode (4/4) with MHD E25 Map Hey guys I have the fuel it stage 2 pump and run E50 with the jb4 E85 back end flash on map 5. com/ Which is the truth? In the n54 thread one guy actually says he did not notice a difference. http://blog. The runs are on pump 93 Others come to us with an existing Cobb OTS tune and ask about gains while some already have a tune such as the latest JB4 G5 with and without the free BMS backend flash. com/forums/showthread. It was kind of annoying for the road course events I like to do with this car, so I went back to pump gas again Feb 16, 2015 Others come to us with an existing Cobb OTS tune and ask about gains while some already have a tune such as the latest JB4 G5 with and without the free BMS backend flash. Also with the flash map 2 made less power than map 1. But there are other flashes that you can Dec 16, 2016 I currently have JB4 for my FBO N54 - 93 pump gas. We spent some time on the dyno and gathered up some neat results to demonstrate what we can do. protuningfreaks. php?t=37242The last couple of days I've been evaluating the JB4 PUMP back end flash maps and looking for ways to improve them as well as the JB4 operation. The runs are on pump 93 octane, same day, 2011 BMW Z4 35i | FBO | VTT Stg 2+ (EK, 20T clipped)| Motiv PI| Motiv Tuned | Fuel-IT Stg 2 + inline fuel pump | Spec Stg 3+ clutch | MFactory flywheel . Would also like to know the benefits of stacking the JB4 with the backend flash. 5 due to a gallon or two of residual E40 before the 14 Mar 10, 2015 And PTF is claiming in their results it actually makes less then just having the jb4 with no flash, but is safer to run. Tried running full e85 for a while with fuel-it stage 2 lpfp and TPI, but partial throttle response was a bit of hit of miss on with that setup. I was thinking about To run a BMS backend flash for the JB4 via MHD only requires a $79 license. In the end, I've dropped back to pump gas and JB4 map 2, because over my time playing with E25 - E40 I've found the limits of both my HPFP and LPFP. com - Your www. One that you can use with normal pump fuel and a flash with a higher advance ideal for race fuel etc. My question is do I need to switch back to the PUMP Once connected to your vehicle you can choose any of the JB4 flash maps that you stored & "flash" it to your car. Long story short - from everything I've read, it's one or the other; your Backend-flash options are: 1) JB4 in gauges only mode (4/4) with MHD E25 Map I have the newest JB4. Oct 28, 2015 BMW 335i E90 0-280 (JB4 +Meth + Pump flash) - Duration: 0:40. My question is which map should I be using ? Also if I run on map 5 is the Fuel back end flash better to run with  just the standard FBO setup with JB4 and MHD backend flash. From the seat, the car feels worlds better . 470HP SRT-8 Challenger, 420HP 5. I sometimes run 30-40% E85 for now until I upgrade to a new fuel pump. Part of that process includes testing some of the flash only maps for comparison so we know how the competition stacks up in terms of aggressiveness and Oct 27, 2016 Originally Posted by JB4N View Post. Has anyone here experienced the same results on their own car?Forge FMIC w/ charge pipe and single BOV; Cobb exhaust; BMS Pump backend flash from the 7/1/15 update; JB4 firmware update to 31_7. JB4 Tuned BMW 335xi vs. I would be using it for 93 octane on a FBO car, so it would be the pump flash. I was curious how the car was performing on Map 1 and Map 2 on pump 91, as well as on Map 2 and 7 on a 30% e85 mix. Normally BMS will initially email you two flashes. I have been playing around downloading different maps. avtozavr 5,095 views · 0:40 · 400HP 335xi vs. Testing was done on 91 octane (technically probably closer to 91. Vince Garage 13,870 views · 3:23. There are not too many people boasting about the BMS backend pump Oct 28, 2015Jul 28, 2017In the end, I've dropped back to pump gas and JB4 map 2, because over my time playing with E25 - E40 I've found the limits of both my HPFP and LPFP. n54tech. You can do a JB4 which will control boost and allow you to maintain all the JB4 features, then use an MHD back end flash that BMS provides for free to Had a chance today for a bit of dyno tuning with a mostly stock automatic using the latest JB4 & pump gas back end flash maps. 0L Mustang GT, 405HP Audi A3 (1/4 Mile Races) - Duration: 3:23. I came across this article by PTF http://blog. My car has DCI, FMIC, Catless DP's. com/2015/02/16/396/ Their dyno tests resulted in making less power with the bms pump backend flash than without the flash. I've tried just MHD and, I was impressed by how it behaved on just a DME Flash but, I have tried using the BEF + JB4 and fell in love with the combo. COBB Tuned Subaru STI (1/4  JB4 PUMP BEF Map testing and new features - N54Tech. The test car has an intercooler, DCI, and is otherwise stock

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