radiator expansion water tank cap 17132754264 replacement 1.2 bar pressure fit for mini r56

premium abs cap and seal materials resist engine heat and harsh cooling system environment. precision-molded to oe cap size, ensures compatibility with original and aftermarket coolant recovery tanks. factory pressure-tested, features 1.2 bar pressure specification, reliable to use. replacing oe numbers for reference: 17132754264, directly replace the old one. simple and convenient for installation, easy to use and operate..syi