CITROEN C5 DERHZB,DERHZE I HDi 2.0L RHZ (DW10ATED) SOHC 8v Turbo Diesel Direct Inj. 4cyl 80kW Wagon FWD [06/01 - 08/04]. XTRA COOL GOLD is suitable for use in all vehicles not requiring anti-freeze protection, both petrol and diesel.