I wouldn't actually go that route if I were you.
In terms of leather, you want to clean and protect it, and the alcantara just needs to be cleaned/maintained, not protected.
The leather:
Vacuum to remove loose dirt
Clean using your choice of leather cleaner - you get light, medium and strong cleaners depending on the level of cleaning required (BMW make a decent strong cleaner, AF makes what I reckon is a light to medium cleaner called Hide, but I don't personally like it, and Glossworx also make one, which I prefer. However, a quality APC like the one Cyclo makes is great for cleaning leather - dilute at 1:15 and use a shoe brush).
Then you need to protect the leather, which in reality is coated with a 'vinyl' like coating - it is not natural raw leather hide. The difference being that a genuine leather conditioner once placed on a coated surface (like most modern interiors) has nowhere to go - it cannot penetrate into the leather and sits on the top, eventually causing more damage than good. I have started using Collinite 855 for this.
The Alcantara:
On the last 1M I detailed I used Valet Pro Citrus pre-wash diluted at 1:80 with excellent results.
http://www.vwclub.co.za/forum/viewtopic ... 0&t=177266
To preserve the beauty of Alcantara is recommended that regular cleaning is performed. Application of a high quality fabric guard or coating is strongly recommended
DO NOT RUB TOO VIGOROUSLY, this will crush the texture and destroy the finish of alcantara.
The use of steam machines is not recommended when cleaning Alcantara.
Weekly cleaning or after every car wash- Use a soft brush (preferably a boar or horse hair brush), a dry cloth or simply a vacuum to remove the dust off the alcantara. After your alcantara has been dusted, run a slightly damped (not soaked) white cotton cloth over it (a high quality cotton terry towel will do a better job than a microfiber towel). AVOID the use of printed cloths or papers as they can release ink onto the material.
Don't spray anything directly on the alcantara, spray it into the towel you're using then wipe gently
A video from Larry Kossila (Ammo NYC) cleaning some Alcantara and on a 1 of 1 Bugatti
http://www.ammonyc.com/detailing/bugatt ... ning-tips/
There is also some more info in this thread I posted....
http://www.vwclub.co.za/forum/viewtopic ... 0&t=170014
) are very sensitive.
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