LHM FLUID is a hydraulic oil has been especially developed for application in brake systems, levelling and hydraulic controlled clutches in a number of Citroën, Bentley and Rolls-Royce cars. Bosch, Hydraulic fluid, Mineral fluid, LHM. In 1966 Citroen introduced LHM (Liquide Hydraulique Minéral), a mineral fluid. Jurid brake fluids are specially tailored solutions that suit any vehicle type and any application, designed to maintain performance even under extreme. Morris LHM Plus Hydraulic Fluid a green high performance multi purpose mineral based brake and clutch fluid & hydraulic system fluid specially designed for. LHM Fluid is a specially formulated mineral based hydraulic and brake fluid.