Customer Rating: 
Summary: Works great - well made
Comment: I've had this attachment for over a year now and love it. The clear plastic bowl is dishwasher safe and tough as nails. It also snaps off the white base so you don't have to put the whole thing into the dishwasher. The white base is the only piece that isn't dishwasher safe since it has parts inside of it, but I don't put the blades in the dishwasher (treat them like knives).
I use the momentary ("M") setting for the food processor blade since the "M" setting is at full speed (you need speed!) and it only takes a few seconds to mince stuff (this is one powerful motor!). I use speed 1 for the slicing blade, and speed 2 or 3 for the grating blades since centrifugal force will cause food to stick to the inside of the white disc holder rather than dropping into the bowl if you turn it on too fast. You'll get that with any food processor you buy, however, so this isn't unique to this product.
The base has a special feature that only engages the drive shaft when the top lid is snapped on completely, so this is a nice feature.
Overall, I'm very happy I went with the Bosch Concept system and with this food processor/slicer/shredder.
Customer Rating: Summary: BAD AMAZON SERVICE
Comment: YOU CAN WAIT FOR UP TO 45 DAYS AND THEN AMAZON WILL TELL YOU OOPS SORRY NOT AVAILABLE... BUT CONTINUE TO LIST SAME AS AVAILABLE FOR SHIPPING IN 1-3 DAYS.... DON'T BUY HERE...USE ANOTHER INTERNET HOUSE TO BUY FROM
Customer Rating: Summary: not dishwasher safe
Comment: Even though it claims to be dishwasher safe, it melted in the dishwasher. In the year 2004, it should be possible to produce a form of plastic that can withstand a bit of hot water. And such a wonder material should not be unreasonable to use for a $70 kitchen device. But it seems that I'm asking too much. Now it is time to start the long, tedious process of returning the deformed, twisted remains of this worthless item. The confusing maze of pages that is the "Your Account" area awaits me.
Customer Rating: 
Summary: Mixed feelings
Comment: This Food Processor Attachment came with the MUM7150 I purchased about a three months ago. Although Bosch make many fine products, I am slightly disappointed with this one.
The cutting/mixing blade works like it should and I have chopped everything from nuts to homemade guacamole without any problems. I also like the fact that the bowl easily detaches from the handle and base to go straight to the dishwasher after use. My disappointment with this unit stems around the 3 disks and plastic disk holder. I have attempted to shred/grate parmesan cheese and as the other reviewer found, the cheese did gum up between the disk, plastic holder, and bowl. I have also attempted to shred/grate chocolate. This ended up becoming a melted mess as the blade did more to melt the chocolate than shred it.
Overall, if you are getting this, I would recommend it for the cutting/mixing blade, but find a deep dark place in your cupboards to put the disks and holder. If you are looking for a slicer/shredder for your Bosch MUM 7/MEK 7 Kitchen Machine, I would try the Bosch MUZ 7 TS1 Slicer/Shredder instead.
Customer Rating: Summary: Problem with Cheese
Comment: I like using this for everything except cheese. My cheese gets all "gummed" up on the star shaped holder and the underside of the blade.
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