Succeded!!!!
After 6h of damn work of trying to figure out how to change the gearknob without taking off the blackbox, I finally installed my beautifull wood gear knob. WOOOW!!! It looks great, but I won't do it again in my life!

------------------
-------------------------------------
WEB Site : http://www.adamou.dpn.ch
A.S.C. 1999
-------------------------------------