BMW 7 Series: Emission Control, Oxygen Sensor

 Removing And Installing/Replacing All Pistons (N63) From 3/2011

Notes WARNING: Protective goggles must be worn when working on the gudgeon pin circlip. IMPORTANT: If pistons and connecting rods are reused, they must be reinstalled in the same places. Piston and piston pin are matched to each other and can only be replaced as a pair. Conrod and conrod bearing

 Venting Cooling System For Intercooler (N63)

Notes WARNING: Danger of scalding! Open sealing cap only after engine has cooled down. IMPORTANT: Cooling system for intercooler has a separate cooling circuit. Coolant is added at intercooler expansion tank. Electric coolant pump! FOLLOW INSTRUCTIONS FOR WORKING ON COOLING SYSTEM. IMPORTANT: Life