SERVICE ACTION: N63R ENGINE - CHECK AND REPLACE VANOS ACTUATORS, OIL FEED LINES, CHARGE AIR COOLERS AND THE MAP THERMOSTAT ELECTRICAL CONNECTOR. This bulletin describes the procedures to inspect and if necessary replace the following components: * Check VANOS System (vehicle test and review faults stored in the DME) * Turbo charger oil feed lines (leaking) * Charge air coolers (corrosion) * Map thermostat and electrical harness (corrosion) Also, make sure that Service Bulletin B12 24 18 Service Action: Program Control Units, is completed when performing this Service Action.
