JB4 AntiLag (Anti-Lag) kit for BMW N54 Vellfire read or delete fault codes

read or delete fault codes

• (2) bracket screw washers

2009-2016 E89 BMW Z4 sDrive35i/is

• Boost by gear in 1st

Available in 10mm

JB4 AntiLag (Anti-Lag) kit for BMW N54 Vellfire read or delete fault codesIncludes 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