does it give you 25bp because you took the ennemy at 4 or it's 5 only for both ?

The negative quality Vendetta? The one in Runner's Companion?

I'll assume the 2 is a mistype (the 2 and 5 on the keypad are close together) in that Vendetta is only a 5bp flaw.

Making an enemy is the same as making a contact. 1 is the base level you need to have in connections (which signifies they don't know any people of consequence and do their own legwork) to make a contact a contact. Since you also need 4 in incidence rating to take Vendetta then you have to take the enemy at a 5 basic (1 connection/4 incidence).

ok great thanks !