Selected Savings — Pick Your Favorites Today
Selected Savings — Pick Your Favorites Today

Shopping Cart

Menu

S68 BMW JB4 Tuner

S68 BMW JB4 Tuner

Original price was: $879.00.Current price is: $149.00.
  • Free shipping on orders over $40!
  • Secure Payment: Guaranteed safe & secure checkout with encrypted protection.
  • Return within 30 days. Duties & taxes non-refundable.

Gains are 100hp on pump gas and up to 207whp on higher octane or E85 mixtures.

The ultimate tune for your 4.4L S68 powered BMW, 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 integration, electronic wastegate control, ethanol fuel support, and built-in advanced CANbus-based diagnostic tools. Installation is easy and completely removable with no splicing or cutting of factory wires making the JB4 an excellent choice for your S68 BMW engine.

Now includes the JB4PRO adapter and free app built in!

No ECU flash required and fully compatible with locked ECUs.

For the latest S68 BMW tuner performance results, updates, firmware, and map guide, be sure to visit JB4tech.com

Application

Wirelessly Connect to your JB4:Our all-newJB4 PROsmartphone connection is included to wirelessly connect the JB4 tuner to your Bluetooth 4.0 compatible iOS or Android device. This option allows you to record and analyze vehicle and tuning data, change JB4 performance maps, and update JB4 firmware as we release free newer versions with updates, more powerful maps, and new features under development. Our new adapter fits fully inside the JB4 enclosure for enhanced weather protection and a more streamlined look. The JB4PRO Free app features an intuitive easy-to-use interface, help buttons, and advanced log analysis tools that can estimate the performance of your car and help identify any tuning concerns.

For more information about theJB4PRO mobile appclick here.

S68 JB4 Tuner Features & Benefits

Gains are 100whp on pump gas and up to 207whp on higher octane or E85 mixtures.
Improves 0-60 and quarter mile times.
Includes multiple tuning maps for different fuel types.
Quick plug and play i

Add a Review

Your email address will not be published. Required fields are marked *

Related Products