JB4 for BMW GEN3 B48/B58 mercedes-benz-c180-c200-2010-2014-esi2253062 Allows use to aluminum manifolds

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

they also include a built-in velocity stack

All analyzer options include:

Velocity stacks allow even more air to be smoothly sucked into your intake system and are used in most racing applications

JB4 for BMW GEN3 B48/B58 mercedes-benz-c180-c200-2010-2014-esi2253062 Allows use to aluminum manifoldsPower 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