While you wait for answers, we may have found some information which could help you.
Click here for Oven Top WorksBosch Oven Bulb Failure?
hinge from oven snap shut?
Can't get Bosch oven door back on after cleaning?
Hinge snapped shut on Bosch ovenHBA138B150B/05?
bosch ovenHBA13B1.OB bulb cover?
Bosch oven door - HBN331.2B – Hinge Snap?