Product beautiful, quality and customer service unfortunately lacking

We have acquired the shower rod in combination with a hand shower at hardware store around the corner for 69, because we wanted to use the existing holes in the bathroom. But the product is also perfectly suitable.
Unfortunately, we just broke a little Plastiteil during assembly the next day, which is to firmly anchor the shower rod in the top bracket. True to Darwin of course we could not find our receipt. But in a product in this price range and a manufacturer who advertises his quality "made in Germany", we thought that it should be perfectly possible to refer a maximum of 30 cents expensive spare parts from the manufacturer. After a friendly email to the customer service but then the announcement that the company was not due to its distribution structure, unfortunately, be able to send replacement parts. We could but wonder at our hardware store after the part number 45916000 and let us make a quote. Look up on the Internet is that there is the complete top bracket, costing ~ 25th A second request from the manufacturer, whether it is possible to obtain the required spare part individually, was denied.
I think it is as if you request a nut in his car manufacturers and get the answer, that there is this to buy only with rim in the set. We will waive each of them to buy more products from the company Grohe. For the same price I get the hardware store 4 shower rods of its own brand and get my parts with a nice smile and free when I ask for it.