ESP Retrofit on Megane 2 Phase I

Hy,



I'm going to start gathering the necessary parts to put the ESP working on a Megane II Phase I.



So far I've got the YAW sensor to install near the hand brake and the switch to put in the panel near the cruise control switch.



I've got missing the ABS/ESP control module and the steering angle sensor. Nothing more is needed I think and now I have two doubts:



Where is the steering angle sensor? On the stalk bundle? Ive got it stripped and nothing there seems to be a angle sensor. On the steering column? On the steering rack? I suppose it's installed on the steering rack because I saw once a rack with a plug on it but I want to confirm with you guys.



About the ABS/ESP control module, is really needed or there are some cars where the module used can be the same?



I appreciate your help on this tryout, I know there are lots of people searching about this :) . If someone can post pictures and OEM part numbers would be great too.



Thanks!