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JB4 Anti-Lag System for BMW N54 Engines

Price range: $10.00 through $23.33

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Description

Includes 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 details are posted here.
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Full Kit, Wire Only, Chip Only

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