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Re: 3G Debacle
Posted to Tool & Equipment Forum on 5/10/2010 2 Replies

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On the E39, you MUST use the 20-pin for all GT-1/ISTA functions, because the OBD-II port does not access the TXD (D-bus). The OBD-II port uses a TXD-II port, which communicates with the DME/EGS (powe... Login to read more.

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