-

Plug in up to 40 extra wheel horsepower in seconds!
Finally our popular and well-proven JB Plus quick install tuner is available for 2020+ B58 Toyota Supra applications! Boost is user adjustable up to 4.5psi over stock providing gains up to 40 wheel horsepower and 50 wheel torque on the B58 Supra motor. Timing and fuelling remain managed seamlessly by the DME preserving all factory safety systems.
While the JB4 is the ultimate tuning tool the JB Plus (JB+) is a quick and simple way to add a few HP with minimal cost and minimal install effort. Something that anyone can buy, install in under a minute, and really feel from the driver’s seat.
Fuel economy during normal driving is unchanged. Automatically detects the engine type upon installation allowing the same unit to be used for any B48 B58 F series application!
For those who want to start with the JB Plus and upgrade to the higher power more advanced JB4 tune, we offer a 100% trade up credit. To qualify simply purchase the JB4 system from our website directly and then after receipt mail back the JB Plus along with its purchase receipt from BMS or any authorised reseller and we’ll issue a $199 refund against your JB4 purchase. The offer is valid for up to one year after purchasing the JB Plus. Made in the USA. 5 Year Warranty.
Download Installation Guide
-

Plug in up to 40 extra wheel horsepower in seconds!
Finally our popular and well-proven JB Plus quick install tuner is available for B46, B48, and B58 applications! Boost is user adjustable up to 4.5psi over stock providing gains up to 30 wheel horsepower and 40 wheel torque on the B48 motor and up to 40 wheel horsepower and 50 wheel torque on the B58 motor. Timing and fueling remains managed seamlessly by the DME preserving all factory safety systems.
While the JB4 is the ultimate tuning tool the JB Plus (JB+) is a quick and simple way to add a few HP with minimal cost and minimal install effort. Something that anyone can buy, install in under a minute, and really feel from the driver’s seat.
Fuel economy during normal driving is unchanged. Automatically detects the engine type upon installation allowing the same unit to be used for any B48 B58 F series application!
For those who want to start with the JB Plus and upgrade to the higher power more advanced JB4 tune, we offer a 100% trade up credit. To qualify simply purchase the JB4 system from our website directly and then after receipt mail back the JB Plus along with its purchase receipt from BMS or any authorized reseller and we’ll issue a $199 refund against your JB4 purchase. Offer is valid for up to one year after purchasing the JB Plus. Made in the USA. 5 Year Warranty.
B58_JB_PLUS 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.
Download Installation Guide
-

Adds up to 20whp and 30wtq
Featuring quick plug and play installation the N18 JB Plus adds up to 20whp and 30wtq to your N18 equipped MINI. Fuel economy is unchanged during normal driving and the tuning works in conjunction with the DME rather than against it ensuring optimal but more aggressive boost levels with air/fuel ratios and timing to match. Boost is increased 2-4psi on average depending on the climate and conditions. Unlike other N18 piggyback tuners this one actually works and completely transforms the driving experience. This is how the car should have come tuned from the factory. Literally installs and removes in less than 30 seconds.
CARB Approved Under Executive Order (EO) No. D-744 for all 2011-2015 MINI Cooper S and MINI John Cooper Works models equipped with a 1.6L N18 turbocharged engine.
Download Installation Guide
-

Gain up to 60+ horsepower and up to 100+ torque to the wheels!
Instant horsepower by simply adding the JB Diesel (JBD) with no other modifications. In addition to power and torque gains throttle response is dramatically improved. The perfect racing addition to your E chassis turbo diesel BMW.
Download Installation Guide
-

Plug in up to 35 extra wheel horsepower in seconds!
Finally our popular and well proven JB Plus quick install tuner is available for N20, N26, and N55 applications! Boost is user adjustable up to 4psi over stock providing gains up to 25 wheel horsepower and 35 wheel torque on the N20/N26 motor and up to 35 wheel horsepower and 45 wheel torque on the N55 motor. Timing and fueling remains managed seamlessly by the DME preserving all factory safety systems.
While the JB4 is the ultimate tuning tool the JB Plus is a quick and simple way to add a few HP with minimal cost and minimal install effort. Something that anyone can buy, install in under a minute, and really feel from the drivers seat. Compared to our Stage 1 tune it offers a lower cost and easier install but lacks the additional benefits of MAP sensor control and data logging. Depending on the settings and conditions expect a little less horsepower than the Stage 1 all else being equal.
Fuel economy during normal driving is unchanged. Compatible with both pneumatic and electronic wastegate vehicles and all driving modes. Automatically detects the engine type upon installation allowing the same unit to be used for any F series N20, N26, or N55 application! Not available for sale/use within California.
For those who want to start with the JB Plus and upgrade to the higher power more advanced JB4 tune we offer a 100% trade up credit. To qualify simply purchase the JB4 system from our website directly and then after receipt mail back the JB Plus along with its purchase receipt from BMS or any authorized reseller and we’ll issue a $199 refund against your JB4 purchase. Offer is valid up to one year after purchasing the JB Plus.
Download Installation Guide
-

Instantaneous increase in Power and Torque!
Take your gasoline powered SLK 250, C250, and E250 to the next level with this simple plug and play tuner. Increases torque and power across the power band with the most noticeable increases coming at lower RPM and throttle positions where you really need them. In addition to adding power and torque it reduces turbo lag and improves throttle response. Gains are up to 20 hp to the wheels and 40 torque to the wheels from 2500 to 4500rpm. Includes plug and play connectors for quick install and removal.
Download Installation Guide
-

A true plug and play tune offering safe and adjustable 25-40 Horsepower gains at the wheels!
At the default setting of +3psi average increases are 30hp and 40tq to the wheels. For those looking to take things to the max up to +4psi can be quickly dialed in! Does not trigger codes and does not require entering the ECU area for installation. Can be installed and removed in minutes without any tools. Compatible with all ECU versions and transmissions for the 2006-2010 BMW 335i, 335xi, 135i, 535i, Z4 and Z6 N54 Twin Turbo. Also compatible with 2011-2013 N54 335is models. Made in USA. 5 Year Warranty.
CARB Approved Under Executive Order (EO) No. D-744-3 for all 2007-2014 BMW Models Equipped with the N54 3.0L twin-turbocharged 6-cylinder engine.
Download Installation Guide