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While pin configurations vary between specific models (e.g., M7.4.4 vs. M7.9.7), most Bosch M7 units follow a standardized logic for primary connections.
) often feature 3 modular connectors providing up to . 2. High-Level Pinout Analysis
– Do not apply 12V directly to any sensor pin (B1–B26). Most sensors run on 5V.
His friend smiled. “So it wasn’t the ECU.”