For your idea to work, Download manager would need to know what version of maps you had currently installed and the for BMW to create a custom incremental download map set for your car. The overhead would be too great so they release the full map set for download. Much safer and an assured outcome.
BMW Standard Tools – The software suite distributed by BMW Group that contains several
interoperating applications and drivers, including NCS Expert, WinKFP, NFS, INPA, and others.
The following programs will be installed or updated:
Program Default directory Description
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EDIABAS C:EDIABAS Vehicle diagnostic tool
WINKFP C:EC-AppsNFS Vehicle programming tool
NFS C:EC-AppsNFS Control tool for winkfp
INPA C:EC-AppsINPA Vehicle diagnostic tool
NcsExpert C:NcsExper Vehicle coding tool
Program File-Versions Package
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EDIABAS: 7.3.0 1.1
-Tool32 4.0.3
-CANdriver 2.5.0.0
WINKFP 5.3.1
– CoAPI 3.13.2
NFS 5.2.9
– KMM SRV 4.31.1.0
INPA 5.0.6
NCS Expert 4.0.1
Changes and extensions Toolsetup of 2.11.0 to 2.12.0
Changes:
Integration Ediabas 7.3.0 Package 1.1
Integration WinKFP-Tool 5.3.1 with CoAPI 3.13.2
Integration NCS-Expertentool 4.0.1 with CoAPI 3.13.2
BMW Standard Tools 2.12 Free Download