JB4 for BMW GEN3 B48/B58 mercedes-benz-c180-c200-2010-2014-esi2253062 they integrate flawlessly with your

they integrate flawlessly with your current setup

Allows use to aluminum manifolds with port injection bungs without actually having port injection

0 psi over stock

* Fuel lines sold separately

E & F chassis X5 X6 - 15mm is the only size we make located here

JB4 for BMW GEN3 B48/B58 mercedes-benz-c180-c200-2010-2014-esi2253062 they integrate flawlessly with yourPower 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