Unhappy [Q] Bluetooth & wifi not working(after flashing custom rom)

Im building my own custom rom for my galaxy ace s5830i using
Android Kitchen v 0.224 with some basic modifications like...
-rooting
-de-odexing
-adding busy box..
etc...
but after flashing, bluetooth and wifi arn't working...
i have tried changing kernels...but the problem exists...
can plzz..anyone tell me....what could be the reason behind it..
pllzz...