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

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Includes 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 details are posted here.

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