jb4

  1. Sold: (TX) FS: JB4 w/ Bluetooth & EWG

    $400 shipped in USA, $360 if picked up in DFW area. Selling my JB4 with Bluetooth module and ewg module. The wife got me a MHD license for xmas. Comes with some foam I used to wrap the box and eliminate engine bay rattles. Also put Tesa tape at end of connectors to hide spaghetti wire in the...
  2. JB4 with EWG and Bluetooth

    Selling the JB4 from my 2021 3.0. $400 OBO shipped, local to San Diego CA. I took it off before I traded in the car, it works flawlessly. There's some adhesive residue from how I had it mounted in the engine bay.
  3. Looking for tips on a nice "warranty build"

    I'd like to keep retain my lifetime powertrain warranty but I am okay with losing it. I understand there is some risk but I'm thinking I'm not wanting a lot of extra torque/hp and I can fix cars myself if anything happens. In the future, I'll go crazier with mods as the platform develops. I'm...
  4. JB4 + xHP install question

    Hey all, I am in the process of obtaining the JB4 + xHP and was wondering would it be better to install xHP first or JB4? Also which OTS maps would you guys recommend for running both? Tried searching on here but couldn't find an answer about anyone running both, everyone seems to go custom map...
  5. Sold: FS: JB4 W/ Bluetooth $400 Shipped

    $400 bucks shipped to lower US. Comes with the bluetooth connection.
  6. Sold: FS: JB4 w/EWG Harness and Bluetooth Kit + Fuel-it! Complete Kit

    These both just came off my '21. Bought them both new for over $1200. No issues. *SOLD* for the Fuel-it! - It's the newer version with the revised fuel lines. SOLD for the JB4. Paypal G&S.
  7. JB4 w/EWG harness and bluetooth kit

    Just came off my '21. Perfect working condition and unlinked from my Supra - ready for yours ;) Worked in conjuction with the Fuel-it flex fuel kit (also for sale), just going MHD+ and will no longer need it. Asking $450 via Paypal G&S. Buyer is responsible for shipping and PayPal fees.
  8. Flex Fuel Kit for the MKV B48/B58 - Complete kit

    Just came off my '21. No issues. Worked great with my JB4 (also for sale), just going MHD+ and will no longer need it. Asking $350 via Paypal G&S. Buyer is responsible for shipping and PayPal fees.
  9. Sold: FS: JB4 w Bluetooth B58 $400 OBO

    Hi team! Selling my jb4. Used it on my 21 Supra 3.0. Has the jb4 connect kit installed for Bluetooth. Recently did a Femto unlock, so the jb4 is no longer needed. Looking for a new home :) $400 obo
  10. Sold: FS: JB4 with Bluetooth SOLD

    SOLD Hello All! Iā€™ve sadly sold the Supra and have just a few parts to still sell (the rest went locally). Feel free to ask any questions. Shipping as early as Tuesday (due to holiday weekend). - JB4 with the Bluetooth Module and wastegate wires. (Has been remotely Reset using JB4 website)...
  11. B58 JB4 With Bluetooth Connect Kit -$375 OBO Shipped

    Lightly used for only a couple of months, works great just going femto unlock/mhd route. Bluetooth Connect Kit. 375$ OBO.
  12. AFRs .....(jb4)

    Hello just curious what everyones AFRs are at . Currently im using jb4 with a custom map and they're right around 14.5 roughly. I've read that this is normal since the ecu targets that stock.
  13. Check out my logs?

    Hi! finally got the Jb4 in. 21 supra 2.0 running on e15 same tank for both logs. Only have AWE catback exhaust. Map 2: I believe my log looks okay, but I feel like my boost peaks way too high. And is my AFR sitting in the right space or do I need to target a richer mix? Something just feel...
  14. Check out my Logs?

    Hi! finally got the Jb4 in. 21 supra 2.0 running on e15 same tank for both logs. Only have AWE catback exhaust. Map 2: I believe my log looks okay, but I feel like my boost peaks way too high. And is my AFR sitting in the right space or do I need to target a richer mix? Something just feel...
  15. Sold: For Sale: B58/ B48 / Supra JB4 - $400 OBO

    Hey all, I'm selling my Burger Motorsports JB4 for the B58 / B48 / A90 Supra complete with EWG and Bluetooth wireless connector as I have recently unlocked my ECU via Femto and would like to pass this on to someone who can enjoy it. The JB4 has already been unlinked and is ready to be installed...
  16. FS Jb4 with Bluetooth and ewg

    Jb4 for sale for Supra $400 shipped. Local to AZ Iā€™ll let it go for $350
  17. Is it worth getting a custom JB4 map if you’re not doing flex fuel

    I have a 22 3.0 premium I have a armtrix catless dp, hks exhaust and hks carbon intake I plan on doing 93 but is it worth getting a custom jb4 map for just that. Not really tracking it, just street and driving for fun. Iā€™m being told by other owners thatā€™s itā€™s not worth that much money (500$)...
  18. JB4 DRAGY TIMES

    For my JB4 guys, I went out and did some testing of all the maps including map 0 (JB4 disabled) on an E36 mix. Mods: Magnaflow XMod Exhaust Eventuri Intake INJEN Chargepipe Mishimoto Heat Exchanger 4.5in Catless Downpipe JB4 My personal best Iā€™ve gotten on map 6 is a 9.36 with a passenger...
  19. Tried out map 4 with the jb4 on e30, here are the logs…

    So I posted a thread not too long ago of some logs I did while running map 5 and it wasnā€™t pretty, I was informed to try out map 4, here are those logs. Iā€™m concerned with the afrā€™s @ColonelAdama @Jesse DaBears
  20. Can someone review these jb4 map 5 logs for me

    Iā€™m running e30 with a catless downpipe and mst v2 cold air intake on map 5. I started out on map 2 with 93 pump gas and everything felt smooth. Everything still feels smooth itā€™s just I feel like in the logs the timing is doing some weird stuff itā€™s kinda all over the place. I put some WOT...


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