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  1. Questions about jb4

    Cost wise - ECU Tune: femto unlock is 1300-1500, the BM3 software is 600, the custom tuning (which is still a great idea vs OTS) is another 600 (1200 if on flex for the double tune and add 500 for BM3 etoh kit). All in all you’re looking 2600 (93oct) or 3700 (EFlex). - don’t forget a loss of...

  2. Semi-DIY Ethanol Analyzer w/ JB4 Integration - Thoughts?

    Great question brother! Highly recommend Bryan’s link above (Razorlab). But I believe he’s using android and no JB4. Still a wealth of knowledge. Are you planning on tracking or short power burst? If going the endurance route, Jesse would be my go to. Get a custom flex fuel map 6 from him. My...

  3. Questions about jb4

    Mine was an even swap for my OEM cat from the guy I bought my catless dp. I didn’t want to mess with it honestly. Then come to find out you can customize it and turn it off and on. Hence going back to baseline at the click of a button. Maybe you can do that with BM3 or MHD as well? But… I do...

  4. Questions about jb4

    Yeah I get that, I had a Jb4 then sold it after looking at the overall cost, I will just unlock and tune . I don't really plan on breaking 550ish so a clone isn't really needed in my opinion.

  5. Questions about jb4

    Kind of. With a 22', i took the JB4 route and have loved it. All said i think it cost me 700ish for the unit w/BT and phone app. And another 400 for some dyno sessions and a map6 tune... not Jesse but wish I would have. Low end throttle response isn't the best. Any way, call it 1,100. I'm...

  6. Questions about jb4

    I'm not being funny serious question. By the time you buy JB4 and then custom tune, aren't you at a price point of unlock and BM3 or MHD at that point...

  7. Semi-DIY Ethanol Analyzer w/ JB4 Integration - Thoughts?

    I guess I'm mainly directing this thread to the JB4 crowd that are primarily concerned about the E content in their gas tanks. The unlocked tuned folks usually have E content reading integrated into their tunning platforms (MHD, BM3, Ecutek, etc...) which will dynamically tweak tuning...

  8. Seeking more info on JB4 Map 6 tuning

    Thanks man! No shame in starting with a Jesse tune and going from there. I have some examples of his map 6 settings for guidance but will be doing the custom tuning/logging myself. I'd definitely be interested in proper calibration tuning at some point. Maybe my BMW race shop Thunder Bunny...

  9. Seeking more info on JB4 Map 6 tuning

    More power to you bro! I went to tech school and we had a couple weeks learning and tuning various cars, so I have also wanted to learn about tuning my own car via my JB4. (Although I will go through Jesse at first LOL bc I don't wanna blow my car up) But I definitely will be watching this...

  10. JB4 Custom Map 93 Octane

    You nailed it! Thank you so much. Sorry for the hijack.

  11. JB4 Custom Map 93 Octane

    stock turbo max power with DP & PI 550-560whp biggest limiting factor is stock transmission, at 600-650wtq. with said mods, you will be in this range PI and LPFP to run full E this is a JB4 thread, though.. these circumstances occur in BM3 and ECUTEK platforms did i answer your q's?

  12. DAW FlowMax Turbos - 2 Port and 6 Port - 1 Fast Supra!

    Ok since you brought it up. What about bm3?

  13. JB4 brand new in box, with data cable

    Brand new in box JB4 with data cable, does not have the Bluetooth connector. Ended up going with BM3 so will not be using it. $475.00 obo shipped. Will ship USPS Priority with tracking.

  14. CATLESS DOWNPIPE NOT POPPING AS LOUD AS IT USE TO?

    UNFORTUNATLEY MY ECU IS LOCKED SO BM3 ISNT AN OPTION... I DID FIND A RESOLUTION TO THE PROBLEM IF ANY ONE IS HAVING ISSUES W THE SAME THING. I GUESS JB4 HAS ISSUES W OPENING AND CLOSING THE FLAP. SO IF YOU TURN UR LIGHT SIGNAL TO RIGHT AND HOLD DOWN THE BC BUTTON TILL IT FLASHES ITLL OPEN THE...

  15. Is a used Supra worth it?

    If you're going for an unlocked ECU go with BM3 it has more options. If you're going with the manual it needs to get shipped to femto etc etc I think you know the process. Question is you already had work done to this car, and invested time and money why sell it and do it all over again with...

  16. Is a used Supra worth it?

    Bro question is, how did all this fly by you. The intake, the dp, the exhaust, and the unlock?? How did you miss it?? Also this why switch to JB4? It's already out of warranty if it was DME unlocked.

  17. Is a used Supra worth it?

    Why didn't you keep BM3? better tuning capabilities than a JB4.

  18. Is a used Supra worth it?

    I was lied to when buying my used Supra. I was told it wasn’t tuned. 3 days on this forum after purchase and I realized the truth. It was unlocked/BM3 tuned, catless DP, armaspeed intake and Mbrp valved exhaust. Oh and H&R lowering springs. So I decided to do the brake recall and reset/relock...

  19. DAW FlowMax Turbos - 2 Port and 6 Port - 1 Fast Supra!

    Yes with BM3 OTS maps you will have no issues getting over 550 whp.

  20. DAW FlowMax Turbos - 2 Port and 6 Port - 1 Fast Supra!

    Hmmm ok. So is the JB4 the limiting factor? Let's say I don't want to run meth because of the maintenance of the bottle, you know, making sure I always have meth, etc. I am looking for easy daily drivability and reliability with more power. I'd like to get to around 550 wheel hp. Will this turbo...





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