snapped aerial

[blews]

hi guys, need to change aerial, does bulkhead need to come off as well interior light

[Gadgetman]

Which model Berlingo do you have?

The 'whip' antenna on top of my M49 has a threaded joint just above the hinge which may 'unthread' if you don't watch it.
If that's the case, just unscrew the whip from the replacement and screw it back onto the base on your car.