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  1. Current tuning options available to the public

    Ii agree, JB4 has its place and for anyone looking to go the piggyback route. The jb4 should be the only choice currently. As I said before, everyone any their momma is throwing up stuff to sell for these cars. With absolutely no experience of the platform. This can be dangerous for the consumer...

  2. Current tuning options available to the public

    As a long-time MHD user on the n54 platform, I'd recommend the JB4 for the Zupra. MHD had years on the n54/n55 platforms to build up it's feature set to be competitive but the on-the-fly map switching, easy meth integration, and its existing marketshare in the m240i market make it a better...

  3. Current tuning options available to the public

    DME (Digital Motor Electronics) on European vehicles basically means the ECU but in this specific case they are referring to a company in New Jersey called DME Tuning, the customer probably went with one of their tunes. I went with MHD just based on looking at their history and what they are...

  4. What o2 extender works?

    What do we have for options then. Jb4 support the cel delete yet. Or is bm3 out only option

  5. JB4

    I like the jb4 for ease of installation, tuning, Bluetooth mobile app, and undetectable to dealer vs a flash. But I've heard great things about BM3, however with the rumors about ecu lockout from dealer, piggy back bypasses that fear. Best Regards, Dave

  6. JB4

    I wanted to have the option of monitoring my temps and having access to the sensors on my phone in real time. I'm working on heat exchanger upgrades and need to constantly monitor IAT's and coolant temp in different conditions. I will probably end up getting a MHD back end flash tune after the...

  7. Current tuning options available to the public

    $800 for their tune seems like an exorbitant amount... especially since it's a "one and done" - NO adjustability(i.e. different maps). I think the BM3 or JB4 might be the best as they not only allow parameter changes, but, also data logging.

  8. JB4

    I'm trying to decide between JB4 and BM3. Why did you decide to go with JB4 instead of a bench flash?

  9. JB4

    I mean I have a JB4(B58) in my office but, I just got my tune from Bigboost. I may just do a comparison video between STOCK - JB4 - BIGBOOST(BM3)
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