While you wait for answers, we may have found some information which could help you.
Click here for Bosch Fan Heatfix oven cover?
Hinge snapped shut on Bosch ovenHBA138B150B/05?
Can't get Bosch oven door back on after cleaning?
Door hinge on Bosch oven ?
Removed oven door from Bosch Oven FD 9604 and hinge has shut?
bosch oven door hinges snapped shut?