BMW Gen 3 B48 & B58 JB4 Performance Tuner - Burger Tuning Select:JB4PRO Adapter (Uses Free JB4PRO App) Crafted with precision from high-quality

Crafted with precision from high-quality

Clean factory like install with injection bungs

resulting in enhanced acceleration and improved throttle response

The addition of this flex section reduces tension on the turbocharger caused from torsion during hard acceleration

BMW Gen 3 B48 & B58 JB4 Performance Tuner - Burger Tuning Select:JB4PRO Adapter (Uses Free JB4PRO App) Crafted with precision from high-qualityPower gains of up to 130WHP on a stock vehicle without the risks of flashing! The JB4 is the most advanced and highly featured tuning system available for your B48 B58 GEN3 powered vehicle. Power gains are up to 100whp to the wheels (125hp crank) on a completely stock car on 93 octane, and even higher with ethanol fuel mixed in! This new JB4 BMW tuner is specifically designed for the latest Gen 3 B48 B58 variant and is capable of processing the new