Using a clean(preferably new) soft bristle paint brush is the best way to apply Leather Adhesion Promoter

you’ll get a finish that looks factory new

light body oils and ink stains that can cause issues with the leather repair or recoloring process

imparts a soft

older stains may pose a greater challenge due to the set and hardened nature of the oils within the leather

BMW Interior Dye Kit for Color Changes - with BMW Soft Feel lexus Using a clean(preferably new) softIndulge in the ultimate transformation for your BMW's interior with our BMW Automotive Leather and Vinyl Interior Dye Kit for Color Changes. Elevate your driving experience and express your individuality by changing your BMW's interior color to a hue that speaks uniquely to you, while maintaining the luxurious OEM BMW finish and feel to your leather and vinyl! What's Inside: All in One BMW Leather and Vinyl Dye: Unlimited color possibilities in OEM