How much horsepower does JB4 add N55?
80hp
Power gains of up to 80hp on a stock vehicle without the risks of flashing!
How much HP can N55 handle?
The N55 can handle around 550whp and 550wtq on the stock engine block and internals.
How much boost does a stock N55 make?
N55 Max Boost Stock Turbo Summary With a reliable twin-scroll turbo, the N55 is capable of making up to roughly 25-26psi. However, for reliability and longevity reasons, we recommend limiting boost to about 20-21psi. Much over 21psi pushes the turbo well outside its efficiency range for minimal performance gains.
How does JB4 control boost?
JB4 is a piggy back tuning box which, like all other tuning boxes, intercepts sensor signals from around the engine to fool the engine ECU into thinking actual boost. Bmw use ECU governing parameter dictated by load / torque as opposed to boost. Its a rather dirty but functional way to tune a car.
How long do N55 Turbos last?
How long will a BMW N55 engine last? The BMW N55 motor should have no problem lasting over 150,000 miles, and some owners report getting over 250,000 miles out of their engines.
How much boost does a N55 make?
N55 Max Boost Stock Turbo Summary With a reliable twin-scroll turbo, the N55 is capable of making up to roughly 25-26psi. However, for reliability and longevity reasons, we recommend limiting boost to about 20-21psi.
How much horsepower can a JB4 add?
Power gains of up to 100hp on a stock vehicle without the risks of flashing! Units shipped 3/5/2021 or later include a free electronic wastegate (EWG) connector preinstalled in the JB4 harness! The JB4 is the most advanced and highly featured tuning system available for your B58 and B48 vehicle.
How much HP does a JB4 tune add?
In short: yes. A general rule of thumb is 10hp for every 1 psi of boost added.
How much boost does a N55 make stock?
N55 Max Boost Stock Turbo Summary BMW’s N55 engine is capable of excellent performance straight out of the factory. With a reliable twin-scroll turbo, the N55 is capable of making up to roughly 25-26psi.
What is a good E85 range for a jb4?
A modest tune with high E85 mixtures will typically result in values around 1. An aggressive tune with pump gas will usually result in values over 5. This is an important variable for JB4 map 3 and map 5. Values below 1.5 result in map 3/5 targeting maximum boost allowed on each map.
How to data log with N54 jb4?
How to Data Log with N54 JB4 Starting the data log is pretty self explanatory. On the “Display” tab of the JB4 mobile app you will see a large green button that states “Start Logging”. However, there is one additional tip to note.
What is the default PSI value for jb4?
Default value of 18psi. JB4 will default to the safety map, map 4, if boost exceeds 18psi. If you are running an aggressive back-end flash you can bump this value up.
What does average ignition mean on a jb4?
Average ignition of 6 means the engine is running 6° under the maximum timing allowed. A modest tune with high E85 mixtures will typically result in values around 1. An aggressive tune with pump gas will usually result in values over 5. This is an important variable for JB4 map 3 and map 5.