Idemitsu IFD7 5W-40 Fully Synthetic Car engine, designed with unique formulation to cater latest technology Petrol and diesel engines. Advance Engine oil offers seven ultra-protective. advantages with Septet Guard Technology 1 Highest consistent performance 28% (VW TDI) 2 Maximum protection 78% Improvement (OM646LA) 3 Piston cleanliness 29% Improvement 4 Stop and Go protection 24% Improvement 5 Shear stability performance 82% Improvement 6 Piston cleanliness with Biofuel Pass 7 Oxidation with biofuel Pass