BMW Z4 SiemensContinental MS45 456M0B File Info
You can view the file details below.
Hersteller
BMW
Serie
Z4
Baureihe
E85
Output
170.0PS 125.0kW
StgHersteller
SiemensContinental
StgBaureihe
MS45
Stgnr_Stg
5WK93020
Stgnr_Her
Software
456M0B
SoftwareVersion
You can find the chip tuning file you are looking for on "Carecufile.com"