A/C Solutions BMW E30 M3 High-Pressure Condenser Return Line (late model) (64539067578)Designed specifically for the late model E30 M3, this R134a A C line is a direct replacement of your original high pressure condenser to drier return line. While your original R12 lines can be used, it's highly recommended to replace all rubber lines when converting to R134a. What's included? High pressure condenser return line (condenser to drier) 2x #6 R134a o ring(s) Fitment notes: For use with the following models (from 09 87): BMW E30 (M3) Cross