Autotuner – Siemens MS45

New AT Protocol!

New official release for the AT Tool: the Siemens MS45 ECU is now supported in OBD for BMW and Wiesmann vehicles. 🔥

This release includes the Back to Stock function, which allows you to restore the vehicle to its original state in one click using data retrieved directly from our server. 🔄

We also want to thank all our BETA users for testing this protocol before its official release and for providing feedback that helped us improve and refine it. 🧪

Stay tuned to discover our upcoming new features! 🔥

Key Features

• Type: Engine Control Unit (ECU) ⚙️
• Readout: OBD VR 🔌
• MCU: MPC555 🖥️
• Write time: 2min ⏱️
• Checksums correction ✅
• Back to stock function 🔄

Compatibility List*

BMW: 2.2i / 2.5i / 20i / 25i / 25ti / 28i / 3.0i / 30i

WIESMANN: 3.2i (MF3)

*The list of vehicles may evolve over time.