ZF628X requires a immobiliser delete and TCM ( transmission control module ) tune to operate after being removed from the factory BMW. 
 
* Here we will carry out a immobiliser delete of the tcm so it can operate in the conversion vehicle
* gearbox tcm tune due to the weight change of the vehicles we carry out a tcm tune to accommodate the larger loads these gearbox's will see
*Better shift points 
*full manual mode (retaining both drive and sports modes)  
 
 
This service is required for anyone using a zf628x electric gearbox combination in a conversion.  
 
 
NO EXCHANGE OF TCM UNITS AVAILIBE,  PLEASE SEND YOUR TCM AND YOU WILL RECIVE YOUR OWN TCM BACK ( ZF628x TCM ) 
 
please be carful when sending these units 
they are fragile, we are not responsible for any broken packages