WARMING THE ENGINE…
Piggyback ECU · map switching · safety cuts
A plug-and-play piggyback that reads the factory sensors and clamps the boost signal — with on-the-fly map switching, in-cabin adjustment and configurable safety cuts. The classic first step before a full flash tune, and a useful failsafe after one.
| Platform | N54 / B58 / S63 |
|---|---|
| Years | 2007+ |
| Models | Any boosted BMW on an electronic wastegate |
| Notes | Piggyback map-switcher, 6 slots + valet. S63 fitment untested — Rapid Racing sells no S63 tune today. |
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