Corrupted files or drivers are common. Try a clean reinstallation:
BMW INPA Error 159: Comprehensive Troubleshooting and Fix Guide inpa error 159
cd C:\EDIABAS\BIN
BMW diagnostic interfaces use FTDI or CH340 chipsets. Windows default USB polling rates are too slow (16ms). When INPA requests a multi-frame response (e.g., reading 20 fault codes), the buffer overflows. The API job is canceled because the result is incomplete. Corrupted files or drivers are common
A major cause of Error 159 is hardware mismatch, such as when pins 7 and 8 on a K+DCAN cable are not bridged for older models (pre-2007) Bimmerforums.com The Feature: reading 20 fault codes)
Lower the slider to a matching lower setting.