The story about Rimac M2M began back in the days of Concept_One development, when we figured out that creating our own telemetry system would be useful, but also, quite cool at the same time. From an internal side-project to bespoke monitoring, analytics and software update management engineering tool for automotive OEMs. How do our users make use of several thousand tracked signals, manage sw update packages, what tech stack powers the system, and how did we reinvent the classic fleet management - find out in this talk.