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. 

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.

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