While you wait for answers, we may have found some information which could help you.
Click here for Hinge Oven Snap ShutCan't get Bosch oven door back on after cleaning?
fix oven cover?
bosch oven door hinges snapped shut?
Hinge snapped shut on Bosch ovenHBA138B150B/05?
Bosch Oven Bulb Failure?
How to remove the fittings to a Bosch light bulb oven?