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  1. DME options BM3 vs MHD vs Ecutek 2023 edition

    What is your goal. A traditional tune is always better than a piggyback.

  2. DME options BM3 vs MHD vs Ecutek 2023 edition

    Gonna hijack with a question. I have a 2019 ECU with a jb4 map 1 installed. should i go with MHD vs BM3 vs ecutek or just keep my jb4. ATM i only have an intake and a DP.

  3. DME options BM3 vs MHD vs Ecutek 2023 edition

    check bold. then click on #3 of my signature

  4. Ecu cloning price.

    MHD OTS maps are better than BM3’s not by a dramatic amount tho. Fabian at Pureboost does all the OTS maps for MHD they are solid across the board and super smooth no funny stuff whatsoever. JB4 on the other hand that’s not smooth

  5. Toy A91

    Would love to post numbers up after tune, but finding a tuner that responds on bm3 seems to be next to impossible for me right now.

  6. 2023 MT Supra vs 2023 AT Supra

    I'm going to unlock the car and do a tune on BM3 soon. Then hopefully we get a comparo between JB4 map 2 and BM3 OTS map MT on 93. I would imagine that if he's only ahead by a car length before my tune I should be way ahead on BM3... If the clutch holds up

  7. Toy A91

    Finally got the car running again after 2 months, getting unlocked and tuning with bm3 next just running jb4 for now, installing upgraded transmission and driveshaft - 4-way suspension and more weight reduction still pending.... The eos manifold is so big and nice

  8. Anyone have dyno results of a 2021+ Supra stock, and then with a catless downpipe only

    2023 MT. I also already own a JB4. I'm not ready to play the ECU shuffle.

  9. Meth + JB4

    You’ll need an ethanol analyzer like Fuel-It, Visconti, BM3, etc. Alternatively, You can calculate the ethanol blend at the pump after measuring the ethanol content of the e85 and mixing carefully. Jb4 does not sense ethanol content without additional hardware (fuel-it).

  10. DME question boomod3

    If that's all you want to do for mods (that's where I'm at) the jb4 works fine for a decent bump in power (map 6 Jesse tune). I am assuming your buddy didn't try to tune before the unlock? That's going to be the main thing to know.

  11. Dinan Intakes for the Toyota GR Supra

    This is interesting data - thanks for sharing! I'm looking forward to hearing sound clips and reading the real-world experience people post here. I'm currently running the MSTv2 intake, and while I love the sound (and performance), the fitment is not what I expected and I imagine the heat soak...

  12. Femto Unlocks with Custom BM3 Tuning

    Viscontis is nice it depends on what your set up is honestly. If you are doing bm3, jb4, ecutek etc.

  13. Femto Unlocks for May

    bm3 will need a partial unlock. Jb4 is just a piggyback unit.

  14. Femto Unlocks for May

    Bootmod3 is a turning software that is used to reconfigure your ECU. You connect to your OBD port with phone/tablet/pc and an adapter and re-write the calibration on the ECU. You need to send your ECU to Femto in Finland to have the software loaded on it. The JB4 device is a device that plugs...

  15. Femto Unlocks for May

    Thank you very much! I appreciate it. So the BM3 would be similar to a JB4 as far as not needing a partial or full unlock from Femto? Also, do we know what this new one is called? Just so I can keep my eyes out?

  16. GR Supra 101: Routes to big power

    Since the forums are ever more active and new people are getting their Supra's I thought I'd make this thread a simple yet very informative way to start out modding your Supra and lessen the load on questions asked so frequently yet answered so simply. The thread will be separated into the ECU...

  17. Scratched paint off the trunk… (Update: problem solved)

    Thanks for the replies everyone. Trunk spoiler it is! I would love to get JB4 with a custom tune from Jessi while im waiting for BM3 to release the customrom update. Unfortunately it seems JB4 even with a custom map is garbage on the manual supra.

  18. JB4/MHD BEF vs Ecutek (Post 6/20 car)

    will need ethanol and meth to get there on stock turbo with Jesses help. Will probably need to do same even with femto unlock, Jesse gets pretty damn close to mhd/bm3 numbers from what I have seen.

  19. Will DME need to be sent back to FEMTO?

    I'm in the same boat as you.. JB4 for me until the ROMs are out...

  20. F/S: JB4 with EWG and BT $450 SHIPPED

    I decided to sell the JB4 since im pulling the trigger and going with BM3. Comes padded so it wouldnt move around or get damaged but I can take it off if you like. $450 Shipped OBO Open to trades as well!





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