The model number is normally found inside the fridge or freezer. You will likely need to remove the salad drawer or freezer drawer to find the model number plate. Otherwise the model number is likely to be on the side or rear of the appliance.
Genuine Beko BCSD150 (7520020002) Drawer Front Panel Handle Fridge & Freezer
Beko BCFD150 (7518920005) 150mm Front Drawer Flap Fridge & Freezer Genuine
Beko Freezer Drawer & Front Bottom Basket BCSD150 BFFD1577
Beko Top Middle Freezer Drawer Front GENUINE BCSA285K2S BCSD150 C00864952
Beko Shelf Top Or Middle Door Rack GENUINE Fridge Freezer For BCSD150
Beko Top Or Middle Freezer Drawer Front Cover (150mm) GENUINE