Binder for converting HC two-coat Binder for converting two-coat HC water-based paints into one-coat water-based paint to single-coat solvent top coat (drying in air). Added solvent-based top coat as per mixture recipe instead of the (air drying). Added according to M4 water-based binder. mix formula instead of water-based Important! binder M4. This part can only be stored for a limited time. Important notice! Please refer to the expiry date on This part has a limited shelf life. the part label. Please observe the expiration date Exception: indicated on the label. Paint materials, see Painting Handbook Exception: 'BMW Group Original ColorSystem' Painting materials, see Painting Manual ***** 'BMW Group Original ColorSystem' ***** *****