BMW 7 Series: Emission Control, Oxygen Sensor

 Replacing Center Muffler (N63)

Notes WARNING: Scalding hazard! Only perform these tasks after exhaust system has cooled down. Support center silencer with special tool 31 2 220 and a suitable universal lifter. Fig. 9: Identifying Centre Silencer With Special Tool 31 2 220 Release screws (1). Tightening torque 18 20 6AZ. Only

 Removing And Installing/Replacing Oil Pump (N63)

Notes IMPORTANT: All adjusting procedures on the chain drive must be observed. A timing chain which is tensioned too tautly can cause noises in the chain drive. A timing chain that is too slack can cause the timing chain to jump. Risk of damage in oil pump drive. Necessary preliminary work DRAI