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The is an indispensable tool for anyone running this LPG system. While it may be a legacy product and the official download links have become elusive, the community-driven solution available at gbo-s.ws provides a reliable pathway to get the software Mistral.II.2.0.73.exe and the necessary drivers.

Even with the correct software, many users struggle to connect. Here are the top fixes:

Autronic SM4 / Mistral Software (Often referred to as the "Blue Software" or simply "Autronic Software") Current Common Version: Version 2.x (often listed as V2.07 or similar depending on the specific SMC/SM4 firmware).