Bmw 840i Jb4

The JB4 is the most advanced and highly featured tuning system available for your B58 powered BMW. Power gains are up to 60hp to the wheels (80hp crank) on a completely stock B58 engine on pump gas. Hi - I have a completely stock 2020 BMW 840i which I have added JB4 to.

I am running 93 gas. I do not have an EWG equipped JB4. Attached is log while running map 2 (did a few pulls).

Could you please review and make suggestions? Am looking to maximize performance while staying very safe. Thank you! Purchase a NXTGEN custom map 6 today, and allow our team to help you take your JB4 equipped BMW to the next level.

BMW Z4 2019-Present G29 B58 BMW Z4 M40i 2019-Present G29 B46 B48 BMW Z4 30i and Z4 20i What is a JB4? The JB4 is a plug & play tune available for turbocharged vehicles. The JB4 tuner installs between your car's sensors and the DME/ECU (computer) and manipulates vehicle performance through these connections making your vehicle much faster. Technical Topics B58 6-Cylinder Turbo Engine / Drivetrain / Exhaust Modifications Jb4 install with pics Thread Tools Bookmarks twitter Facebook Digg Google StumbleUpon del.icio.us My Yahoo!

Guys, I have had the JB4 in my car for 4 months now. I shot a video of my pros and cons list, but will also list it on a thread. I think the JB4 is a great tune for what it was put out there to accomplish.

Before tuners were able to unlock the DME on our cars, it was definitely ahead of its time, and it continues to be relevant today. Pros: Easy to install and remove. The JB4 is an advanced tuning system designed for BMW vehicles equipped with GEN1 and GEN2 B58 engines.

It offers significant power gains, with increases of up to 120 horsepower to the wheels (approximately 140hp at the crank) on a stock engine using pump gas. Product Details: BMS JB4 for BMW GEN1 & GEN2 B58 Overview: Power gains of up to 120whp and 120wtq. on a stock vehicle without the risks of flashing! The JB4 is the most advanced and highly featured tuning system available for your B58 powered BMW.

The JB4 comes preset to map1 which is suitable for all 91+ octane pump gas fuels. For additional map details refer to the map guide within the app or to the n54tech.com JB4 support thread for your specific application. Both options allow you to record and analyze vehicle and tuning data, change JB4 performance maps, and update JB4 firmware as we release free newer versions with updates, more powerful maps, and new features under development.

Separate JB4 Mobile app purchase also required.