There is only requirement to use Bosch home appliances, your home should have been designed based on their product design.
They are not Indian, so they don’t design keeping Indian methodologies in mind. I would say, more than their product their attitude works very efficiently. They test if we are worth of buying their product or not.
Not sure why they have to do so much of hard work in selling their products in India. They should have simply not entered Indian market and not made fun of us.
Buying Bosch can be a costliest mistake.