JB4 Tuner for Ford Fiesta ST 2013-2023 4 cyl Turbo bmw-x7--g12--n74-v12-esr2270903 Wirelessly connect the JB4 to

Wirelessly connect the JB4 to your iOS or Android device to record and analyze vehicle and tuning data

Our custom billet aluminum anodized bracket for the pump and float assembly

2011-2013 E92 BMW 335is

Spark Plug Socket Specs

While it's not the only tuning system that operates this way the JB4 separates itself from the competition with much more advanced connection points and processing including CANbus

JB4 Tuner for Ford Fiesta ST 2013-2023 4 cyl Turbo bmw-x7--g12--n74-v12-esr2270903 Wirelessly connect the JB4 toPower gains of up to 40hp and 70tq to the wheels on a stock Fiesta ST! This plug and play Ford Fiesta ST tuner plugs into easy access sensors in the engine bay and works with your factory ECU tuning to remap your boost, timing, and fueling for optimal performance and reduced turbo lag. It features a 64mhz processor allowing sensors to be sampled 800 times per second using dedicated 10 bit digital to analog converters, ensuring smooth and powerful