Where is the serial number on a Bosch oven?

Open the oven door and look at the front frame around the cavity. The plate shows the E-Nr and FD numbers.

Where the rating plate is1
  1. On the front frame, visible with the door open

Source: Bosch UK – Where to find the model number

How old is my Bosch oven?

Copy the FD number from the plate, or paste everything on it.

Bosch

All Bosch appliances