MaxxECU Race plugin ECU kit with plug-and-play patch harness for BMW M54 MS42/MS43 applications.
- Includes MaxxECU Race ECU and BMW M54 plug-and-play patch harness.
- Designed for BMW M54 engines using MS42 or MS43 engine management.
- Provides a plugin ECU solution while retaining the factory-style harness connection.
- Base setup/tuning is required after installation.
