54 THE RANGE THE "BASICS" GROUP (14 FAMILIES) The products in this group have the following in common: • A broad and high-tech range, • A typical maintenance/replacement frequency of between 15,000 and 30,000 km, • Short immobilisation of the vehicle for these services: short labour time required. Families and products: Filtration (oil filter, passenger compartment filter, etc.), brakes (pads, discs, etc.), ignition (spark pg), These products must be deployed in a second phase, after the general-purpose products. They have the following advantages: • Short replacement frequency, • Unified range, • Package deal possibility.