Fully automatic coffee machines from the BSH Group, manufactured by Eugster in Switzerland. No longer in production.
Brewing Unit maintenance
Drain valve
Grindstones
Revise drain valve
Siemens Surpresso - Bosch Benvenuto Brew Group Removal
Siemens Surpresso - Bosch Benvenuto remove left side panel
Siemens Surpresso - Open Bosch Benvenuto
Siemens Surpresso - Bosch Benvenuto open the grinder
Siemens Surpresso - Bosch Benvenuto back panel removal
Siemens Surpresso - Bosch Benvenuto remove right side panel
Siemens Surpresso - Bosch Benvenuto top cover removal
These are some common tools used to work on this device. You might not need every tool for every procedure.
TR10 Torx Security Screwdriver
iFixit Opening Tool
iFixit Precision 4 mm Screwdriver Bit
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If you have a Bosch/Siemens coffee maker, also take a look at the guides for Nivona, Melitta, and Miele machines. They have a very similar design and some components are identical in many cases, such as the pump, drain valve, heater or motor.