Group 18: JB4 for EA888 Gen4 for Mk8 Golf R, Audi S3 8Y, Cupra Leon/Formentor

Thoughtful delivery service

Easy 30 day returns

Certified Reviews

Description

Group 18: JB4 for EA888 Gen4 for Mk8 Golf R, Audi S3 8Y, Cupra Leon/FormentorJB4 Group 18: JB4 for EA888 Gen4 for Mk8 Golf R, Audi S3 8Y, Cupra Leon Formentor The JB4 is a true user adjustable plug and play solution. Power Gains: Starting at peak 370bhp and 380ft lb. The JB4 features CANbus connectivity for more advanced tuning, direct AFR control, advanced safety systems for boost, air fuel ratio, fuel trims, and engine knock, boost mapping by gear for improved traction, integrated water meth control, and much more. The unit

B58 BMW JB4 Performance Tuner

it will damage them and void the warranty

• 2014+ Maserati S Q4 Quattroporte 3

Includes CNC machined couplers that screw into charge pipes with a 1/8" NPT bung

proven JB4PRO tuning on a locked 🔒 ECU

Note the BMS data cable is not compatible with MAC laptops

• 2008-2013 BMW E70 X5 with 6 cylinder turbo diesel engines

and Bluetooth flex fuel analyzer in one compact system

• Black Anodized Custom fitting

Power gains of up to 60hp and 80tq to the wheels on a stock vehicle

and won't deteriorate

Emission legal in all 50 states