May 29, 2023 · Channel: JB4 Mobile 12-10-2025, 11:36 AM First pull with JB4 by Jtinajero13 Hi, I have a gen 1 b58, with Dahler ATTC, catback exhaust, intake and running stage 2 xHP. This is a map 1 …

May 18, 2025 · We have both Android and iOS support. Older JB4 systems sold prior to around 2020 may need minor modifications to use the new JB4PRO adapter, but all newer/currently sold JB4 …

Hello, can I connect with the bluetooth-kit using the software on a latop. Or is the bluetooth-kit only intended for use with cell phones (Android/iOS)? Its only intended to be used with the app called JB4 …

Oct 31, 2024 · Anyone else having issue after the jb4 app update on android? Is there a quick fix?

Nov 1, 2016 · JB4, MHD BEF, DCI, Secondary *** Delete, Alpina B3 TCU So, the main question I have been wondering about is, If you have both the JB4 and MHD BEF. Can you run a MHD Flash? …

Finally gotten around to working on JB4 back end flash maps for the S58 platform! The maps are being developed on MHD+ and will be available free of charge unlocked to all JB4 owners who decide to …

Hi, I connected the JB Mobile app, amd I am able to select the mappings and load them, however the gauges stay blank, what am I missing? I am on the Lotus Emira V6.

I just installed a PI manifold with 750cc injectors and a BMS port injection controller wired it to my JB4. If want to add flex fuel ability do I just need the sensor or do I also need another box to convert signals …