JB4 Tuner for 2013-2018 4.0T Audi S6, S7, S8, RS6, RS7, A8 - Burger Tuning M235i (F23) BMW 1 Series E81

BMW 1 Series E81

Remember the JB4 tuner for N55 engines does not require any additional modifications or previous stages

and a more thrilling driving experience

MINI - 2002-June 2006 production date - 12mm x 1

JB4 Tuner for 2013-2018 4.0T Audi S6, S7, S8, RS6, RS7, A8 - Burger Tuning M235i (F23) BMW 1 Series E81Power gains of up to 60hp and 75tq to the wheels on a stock vehicle! The JB4 is an easy to install plug and play tuner that attaches to sensors in the engine bay and works with your factory ECU tuning to remap boost, timing, and fueling for optimal performance and reduced turbo lag. Includes full CANbus allowing the JB4 to access and incorporate all engine data in its tuning strategies, incorporate unique safety features such as keeping boost pressure