For Citroen Xantia it’s important to have optimal antifreeze inside. You should be careful at choosing liquids for Citroen especially for vehicles having 2.0 motor. In other way 1997 Xantia won’t be used quite long and efficiently. To maintain cooling system you need 7.5 liters of Red coolant. You may use code of motor BFZ(XU5JP) and volume figure of 1.6 or just tell the 1995 year of production to buy liquid.
To endure car life take only Red antifreeze and pour not more or less than 8.5 liters. 1.9 Xantia motors of 1998 year will serve more by optimal service. A lot of BFZ(XU5JP) motors are used long in Citroen cars but only with good service. It will be advantageous to follow Citroen’s rules for 1999 Xantia service.