GODIAG GT100 Pro Breakout Box ECU Tool + BMW CAS4 CAS4+ FEM/BDC Test Platform Bundle

This is a specialized automotive test and programming hardware bundle mainly used by automotive technicians, locksmiths, and workshop professionals working on BMW vehicles. It combines:

• A GT100+ Breakout Box / ECU bench connector — a diagnostic and electrical interface tool.

• A CAS4 / CAS4+ test platform — for working with BMW immobilizer modules.

• A FEM / BDC test platform — for BMW F-series body electronics modules.

All of these are used off the vehicle on a bench to diagnose and program key and ECU modules more conveniently and safely.

Main Uses & Features

🔹 GT100+ Breakout Box Tool

• Acts as a bench connector and OBD-II breakout box for ECU modules — helps power, diagnose, and monitor communications.

• Displays voltage and current of the ECU during diagnostics.

• Helps detect communication protocols, convert interfaces (e.g., OB1‑to‑OBD2), and confirm diagnostic tool communications.

• Can assist with powering a vehicle’s electronics while changing the battery to prevent data loss.