Bought in January 2012 at the Metro this set (K2.980M). So far he has about run 15-20Stunden. As the high-pressure cleaner was still running he brought reliably good results. Now in May 2014. He has given up. He is successively been in operation for about 2 hours. Dismantled got him and found that an aluminum die-cast of the pump is broken. This has the rest of the pump contents smashed ==> scrap. A bit disappointing for a Kärcher. Had more than DIY quality expected even if it cost only 120.