JB4 Boost Control Module for Audi

This optional add on BCM module for REV1 Audi Group7 and Group9 JB4 applications allows the JB4 to directly manipulate wastegate position and control higher boost targets. Note REV2 systems include the BCM functionality built in to the harness. Made in USA.

Vehicle Fitment

• JB4 tuned Audi RS3/TTRS
• JB4 tuned Audi S4/S5/SQ5