This is Precision Raceworks' high-output ignition upgrade for the N55, pairing a high-voltage, high-current coil design with low-resistance proprietary plug wires. It's built as a 100% plug-and-play replacement for the factory coils, and it drops in without requiring a software tune.
Important Compatibility Information
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Everything arrived fast and the bmp tuning decals sealed the deal. I will be a repeat costumer.