If you don't like the Zymol stuff then...forget my post about the Mothers stuff. Your seats must have been neglected.
1988 325i sedan (Cirrus Blue Metallic, Silver Grey Leather)
2011 128i convertible (Blue Water Metallic, Grey Leather)
2013 320i sedan (Sapphire Black Metallic, Black/Black)
2016 228i convertible (Mineral White, Oyster Leather, Luxury Line)