BMW Z4 SiemensContinental MS45 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
0281MS4520
Stgnr_Her
Software
SoftwareVersion
You can find the chip tuning file you are looking for on "Carecufile.com"