MaxxECU Race Plugin ECU for BMW M54 MS42/MS43

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.