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Right-click your USB Serial Port device and select . Navigate to the Port Settings tab and click Advanced . Change the COM Port Number to COM1 . Change the Latency Timer (msec) from 16 down to 1 . Click OK to save and close the Device Manager.

When prompted for "USB Serial Port" or similar, keep the defaults. bmw+inpa+502+new+download

: After installing cable drivers, you must go to Windows Device Manager and manually set the USB Serial Port to COM1 . Right-click your USB Serial Port device and select

If your menus show generic errors or are entirely in German, your installation package is missing the English script updates. Re-apply the updated script folders into C:\EC-APPS\INPA\SGDAT and CFGDAT . Change the Latency Timer (msec) from 16 down to 1

The primary interface for reading codes, clearing adaptations, and viewing real-time engine data.

Turn the vehicle's ignition key to (Dash lights on, engine off). Launch INPA using the desktop shortcut. Look at the two circles on the INPA home screen:

Install to C:\EC-APPS\INPA to avoid configuration errors.