We can use silent install normally as mentioned in installation guide:-
https://websmp102.sap-ag.de/~sapidp/011000358700000171092014E/sbo41sp3_bip_inst_win_en.pdf (Page 39)
Steps:-# Open Command prompt with Administrator
# Go to BI setup from cmd.
# Run command setup.exe -w "c:\Test.ini"
# Installer will give you GUI option to select, please select all options for Oracle database and start it.
# Installer will disappear after start screen.
# Open Test.ini file and make changes in password fields, Cluster keys, Product key.
# Install product again with Test.ini file by running command setup.exe -r "c:\test.ini".
Steps that got on to my ini file
### Choose to Integrate Introscope Enterprise Manager: integrate or nointegrate
chooseintroscopeintegration=nointegrate
### Choose to Integrate Solution Manager Diagnostics (SMD) Agent: integrate or nointegrate
choosesmdintegration=nointegrate
### CMS cluster key
clusterkey=********
### CMS administrator password
cmspassword=********
### CMS connection port
cmsport=6400
### Existing Auditing DB password
existingauditingdbpassword=********
### Existing Auditing DB server
existingauditingdbserver=*******
### Existing Auditing DB user name
existingauditingdbuser=****************
### Existing CMS DB password
existingcmsdbpassword=********
### Existing CMS DB reset flag: 0 or 1
existingcmsdbreset=0
### Existing CMS DB server
existingcmsdbserver=*************
### Existing CMS DB user name
existingcmsdbuser=*****************
### Installation Directory
installdir=E:\Program Files (x86)\SAP BusinessObjects\
### Choose install type: default, custom, webtier
installtype=custom
### Introscope Enterprise Manager Hostname
introscope_ent_host=$IntroscopeAgentEnterpriseManagerHost
### Introscope Enterprise Manager Port Number
introscope_ent_port=$IntroscopeAgentEnterpriseManagerPort
### Choose install mode: new, expand
neworexpandinstall=new
### Product Keycode
productkey=********
### Language Packs Selected to Install
selectedlanguagepacks=en
### Setup UI Language
setupuilanguage=en
### SIA node name
sianame=Whatsapp51
### SIA connector port
siaport=6410
### SMD Agent Hostname
smdagent_host=$SMDAgentHost
### SMD Agent Port Number
smdagent_port=$SMDAgentPort
### Auditing Database Type
usingauditdbtype=oracle
### CMS Database Type
usingcmsdbtype=oracle
### WACS port
wacsport=6405
### Available features
### ------------------
### root
### WebTier
### JavaWebApps1
### MobileServices
### MobileServers
### MobileAddon
### IntegratedTomcat
### Servers
### PlatformServers
### CMS
### FRS
### PlatformServers.IntegratedDB.SQLAnywhere
### PlatformServers.EventServer
### PlatformServers.WebAppContainerService
### AdaptiveProcessingServer
### AdaptiveJobServer
### Platform.RestWebService
### Platform.Action.Framework.backend
### Subversion
### ConnectionServices
### ConnectionProcService
### DataFederatorServices