PQ25
Need of upgrading the stock BCM:
There are BCMs which provide a basic set of functions (e.g. central locking, fog lights etc.) and those that have advanced features (e.g. cruise control, static cornering lights, OEM bi-xenon projector lights etc.)
From Ross Tech's website, for the Polo 6R this is how it is: Basis+ Part Numbers: ***-937-084-***
Medium+ Part Numbers: ***-937-085-*** Supported Features (like Basis+ and additionally): Central Locking, Anti-Theft-System, Outside Mirror Heating, Seat Heating
Medium++ Part Numbers: ***-937-086-*** Supported Features (like Medium+ and additionally): Remote Control
High+ Part Numbers: ***-937-087-*** Supported Features (like Medium++ and additionally): Cruise Control System (CCS), Anti-Theft-System LIN-Databus (for Alarm Horn)
Reku (Recuperation) Part Numbers: ***-937-088-*** Supported Features (like High+ and additionally): Start/Stop System (with Recuperation)
Licht (Lighting) Part Numbers: ***-937-089-*** Supported Features (like High+ and additionally): Lighting Functions (LED DRL, Bi-Xenon etc.)
Licht/Reku (Lighting/Recuperation) ## Part Numbers: ***-937-090-*** Supported Features (like High+ and additionally): Lighting Functions (LED DRL, Bi-Xenon etc.), Start/Stop System (with Recuperation)
As suggested by Ross Tech, only BCMs ending in 087 and above supports cruise control. Then again, during my research I found one 087 module which does not support cruise control: