I routinely detail a couple of daily drivers: a 2006 BMW 325i with gray leather interior and a 2000 Chrysler 300M with black leather. I have been using Griot's Leather Care for the past couple of years, but the bottle is nearly gone and I would like some ideas for a replacement. I like the idea of a one-step product like the Griot's, and a pleasant smell would be nice. What would you guys suggest?