JB4PRO BMW B58 & S58 Flex Fuel Add On Harness

JB4PRO BMW B58 & S58 Flex Fuel Add On HarnessThis plug and play JB4PRO add on harness for the BMW B58 and S58 platforms connects an ethanol sensor and an additional pressure sensor to the JB4PRO system. Includes a PNP 12v adapter and safety fuse for a simple clean install. For those running port injection also get the add on port injection harness which connects the JB4PRO flex fuel harness to your six additional port fuel injectors.

higher boost increases back-pressure at the OEM catalysts and chokes the S55's turbochargers

• 2016-2021 F22 F23 GEN1 B58 BMW M240i including xDrive

2020+ Genesis GV80 2

this is the choice for you

Joining the two sections of the ARM N54 Outlets is a 5-layer silicone coupler designed to prevent expansion on high-boost applications

allowing you to save time and go further on every journey

BMW F36 428i N20 2

Assembly Options: All kits are fully assembled and ready to drop-in

• Power Gains: Starting at 50bhp and 55ft-lb with 91 octane/95Ron

The JB4 is a plug and play tune available for turbocharged vehicles

(BM3 Coming Soon)

or Xterra today with the S&B Cold Air Intake for improved throttle response