S58 JB4 Pro Tuner for 2021+ BMW G80 M3, G82 G83 M4, & 2023+ G87 M2Time to deliver 10 work days. Gains are 80whp 100wtq on pump gas and up to 150whp 175wtq on higher octane or E85 mixtures. BOTH VERSIONS NOW INCLUDE THE FREE JB4PRO APP! The ultimate tune for your S58 powered G87 M2, G80 M3, or G82 M4, the JB4 allows you to go from factory stock to full race and everywhere in between. The JB4 installs and removes easily and includes many unique features not found in any other tune, including user adjustable 1st and

2023 Dodge Charger 3

5 Layer Oiled Gotten Gauze Media

Designed to Resist Large Variations of Coolant Pressure at High RPM

Updates are free of charge to download from Chrysler

Provides required ECU power during flashing

1L 2008 Jeep Grand Cherokee 6

Mopar part number: 05038098AA

For more info on how to use the JB4PRO Free app click here

When you send in the PCM

Torque Gain

Replaces: 5149171AA

2014 Chrysler Town & Country 3