Googling BMW & the part number (34112225003), a quick perusal finds this lower than a few of the others that first pop up - you may want to more thoroughly look at google search results. They may or may not have a club member discount, always worth asking. http://parts.bmwofsouthatlanta.com/...OUT-BRAKE-PADS-RIGHT/1296907/34112225003.html Might be worth popping over to mye28.com, it may be somebody there might no if that's a unique caliper to M5's/M6's, or if it's just a something from somewhere else in the parts bin re-labeled an M part, & up-priced accordingly. Welcome to the club & forums! If you have more questions, ask them in the forum area for your car, or where most appropriate, so others later on might more easily find discussions or things they might have questions about.