Originally Posted by willy_manily

You're all going to hate my suggestion but i've always used Windex glass cleaner on the leather of my cars. Just make sure you don't have the glass cleaner with ammonia. I've used it on many of the cars i've cleaned and never had an issue. They generally come up almost like new and go back to their original matte finish.

I did scrub really hard with a brush and Windex on a beige interior E90 BMW and it started to lift the actual leather dye. However, that was after 30 mins of scrubbing on one area to try to lift the dirt from some little cracks.

Theres nothing I hate more than oily glossy leather.