Inpa Error 159 'link' -

A mismatch between the COM port assigned in Windows Device Manager and the OBD.ini file.

If you have an E90 or newer (using D-CAN), you might see this error too, but it usually points to a different root cause (usually a missing DCAN adapter or wrong cable). inpa error 159

BMW’s K-Line is a shared data wire. Many modules (DME, EGS, ABS, Airbag, IKE) all talk on the same green wire (Pin 7 on the OBD2 port). If one module is faulty, crashed, or stuck in a "high" state, it holds the K-Line high (12v), preventing any other module from communicating. INPA tries to wake up the DME, but the dead module is screaming over it. Result: Error 159. A mismatch between the COM port assigned in

Ensure the is set to COM1 (unless your OBD.ini specifies otherwise). 2. Verify OBD.ini and Ediabas.ini Configuration Many modules (DME, EGS, ABS, Airbag, IKE) all

The communication stops. The data freezes. Your heart sinks. You cannot read the DME, the ABS, or the airbag module. You are stuck.

If the result shows Error 159 , EDIABAS cannot talk to the interface at all—check your COM port driver. If it passes, the issue is with the car’s specific ECU.