S58 JB4 Tuner for 2020+ BMW F97 X3M & F98 X4M Type:JB4 This fitment is based on

This fitment is based on matching engine platform and sensor configuration

Wirelessly Connect to your JB4: Our all-new JB4 PRO smartphone connection is included to wirelessly connect the JB4 tuner to your Bluetooth 4

• 2014-2018 N55 BMW F26 X4 M40i including xDrive (JB4_EWG)

• 2014-2015 N55 BMW F22 F23 M235i (JB4_EWG)

S58 JB4 Tuner for 2020+ BMW F97 X3M & F98 X4M Type:JB4 This fitment is based onGains are 80whp 100wtq on pump gas and up to 150whp 175tq on higher octane or E85 mixtures. BOTH VERSIONS NOW INCLUDE THE FREE JB4PRO APP! The ultimate tune for your S58 powered F97 X3M & F98 X4M, 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 2nd gear boost limiting, smartphone