JB4 AntiLag (Anti-Lag) kit for BMW N54 Vellfire

JB4 AntiLag (Anti-Lag) kit for BMW N54 VellfireIncludes a programmed chip and wiring harness to allow on the fly anti lag. Select a gear, hold down the volume button, floor the car, and once boost has built up release the volume button to instantly take off under full boost. Absolute must have for rolling races of any transmission type and works well for automatics off the line too. Requires a BMS back end flash map and ethanol fuel is strongly suggested. Installation directions and additional

Available in 10mm

How to tell if you need harness A or B

Holding 3 gallons more than leading competitors

Transform your BMW with the Palenon Performance Carbon Fiber Shark Fin Cover and experience a new level of elegance and efficiency today

0L BMW F23 228i xDrive N20/N26 2

Audi TT RS: 2014

Aggressive Turbo Sound – Finally hear your turbo spool under heavy acceleration for a thrilling experience

2009-2016 E89 BMW Z4 sDrive35i/is

• Boost by gear in 1st

Boosts airflow and performance

• (2) bracket screw washers

read or delete fault codes