whats up guys, about a year ago or so my brother used 'Mothers Leather Cleaner' on his 328, it really wasnt that bad at first.. and we just blew it off, and its just been getting worse and worse. We scraped some of the brown stuff off with a thin sharp knife, and some cleaners. What is the next step to get it to its original color?

http://www.ocplanet.com/eddie-328ci-sale/armrest-2

New armrest?