Hardener especially for priming filler 2 244 691. Hardener specially formulated for use Important! with primer filler 2 244 691. 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' ***** *****