Replacement JB4 OBDII cable suitable for use in all applications where the JB4 attaches to the OBDII port under the dash. Includes JB4 side repair harness molex pigtail.
Next-Gen Power Delivery with OEM-Level Integration - up to +110 HP / +70 TQ
2X Entries For Our 25th Anniversary Sweepstakes! For M2 CS models - Not for the standard M2
Add power and performance with special software upgrades from recognized tuning leaders like APR, Cobb, and Malone. Let our trained support staff show you how to pick the performance software upgrade that suits your driving preferences and budget.
Lifetime Replacement
