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Home >> BMW >> 2003 >> M3 2D Convertible >> Repair and Diagnosis >> Transmission >> Automatic Trans >> SMG II - Overview >> SMG II >> System Components >> SMG II Control Unit Inputs/Outputs >> SMG CAN Bus >> Engine Speed
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Engine Speed

The engine speed signal is transmitted twice to the SMG II control unit. One signal arrives via the SMG CAN, the other arrives via a hard wire from the DME.

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