How much HP does JB4 add B58?
Power gains are up to 80hp to the wheels (100hp crank) on a completely stock car on pump gas for a B58 and up to 40hp to the wheels (55hp crank) for a B48, gains with bolt-on parts, higher octane, E85 mixtures, and larger turbos are even higher.
What is a JB4 for BMW?
The JB4 is a programmable computer that attaches between the ECU and vehicle sensors allowing it to adjust your vehicle’s tuning by tapping into areas of the factory flash mapping that are not normally available.
What does JB4 mean?
JB4 is a piggy back system for tuning, basically controls engine paremeters from the ECU to the Engine. Its a rather dirty but functional way to tune a car. Many short comings to a piggy back system that are often overlooked due to the ease of installation and removal.
How much horsepower can the B58 engine handle?
around 600-650whp
The BMW B58 engine can handle around 600-650whp and 550-600wtq on the stock block and internals.
How can I make my B58 faster?
1. BMS B58 Performance Air Intake. An upgraded intake allows your car to bring more air into the engine which creates more horsepower, faster turbo spool, and an awesome sound. The extra air flow is crucial for creating more pressure inside the engine and also maximizing horsepower gains from additional mods.
Does JB4 make car louder?
JB4 open flap. Yes the tips shouldn’t make a difference, but the car was 100% louder after I put them on. I normally got a pretty loud gurgle sound especially when it was dropping into low RPM’s and when I would shift.
Is JB4 a tune?
What is a JB4? The JB4 is a plug and play tune available for turbocharged vehicles. The JB4 tuner installs between your car’s sensors and its DME/ECU (computer) and manipulates vehicle performance through these connections making your vehicle much faster.
How much power can a B58 handle reliably?
Can you tune the B58?
Custom tuning for B58 is available for pump gas, race gas, full E85 and E85 blends, and methanol injection. While full E85 tuning is possible on the B58’s stock fuel system, we have found that an E50 blend produces the best overall results because it allows for more boost while still retaining good ignition timing.
Does JB4 change exhaust sound?
Yes the tips shouldn’t make a difference, but the car was 100% louder after I put them on. I normally got a pretty loud gurgle sound especially when it was dropping into low RPM’s and when I would shift. Now with the JB4 the gurgle is gone and the car seems quieter.
Is the jb4_b58 CARB approved?
JB4_B58 is CARB Approved Under Executive Order (EO) No.D-744-4 for all 2016-2018 BMW 230i, 330i, 430i, 530i, 340i, 440i, 740i, M240i, and X1 applications. Wirelessly connect the JB4 to your Bluetooth 4.0 compatible iOS and Android device via the JB4 Mobile connect kit, or to your Windows laptop with the BMS data cable.
What is a jb4 tuner?
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.
What is included in the jb4?
The JB4 features a simple plug & play installation harness for easy installation & removal and includes many features not found with any other tune.
Is the jb4 Turbo Vin locked?
In addition the JB4 system is not VIN locked to your vehicle and can quickly removed and swapped between cars or resold at a later time. Often imitated but never duplicated the JB4 has been the gold standard in plug and play turbocharged performance tuning for over a decade.