How to replace Lenovo Ideapad Yoga CPU?

I bought 'better' cpu from EBAY:
http://cgi.ebay.com/ws/eBayISAPI.dll?...
Named: "New OEM Intel Core i7-3667U SR0N5 Mobile CPU Processor BGA" but it appears that it's not a cpu, because in Yoga manual it's says that the cpu is number 9 and the middle part is non-replaceable:
http://imageshack.com/a/img513/7946/j...