18 40 040 Removing and installing, sealing or replacing exhaust manifold (M57T2top)

WARNING: Scalding hazard!

Only perform these tasks on an engine that has cooled down.

Necessary preliminary tasks:

Remove exhaust turbocharger . See REMOVING AND INSTALLING OR REPLACING HIGH-PRESSURE EXHAUST TURBOCHARGER (SMALL TURBOCHARGER), REMOVING AND INSTALLING/REPLACING LOW-PRESSURE TURBOCHARGER (LARGE TURBOCHARGER), REMOVE AND INSTALL/REPLACE HIGH PRESSURE EXHAUST TURBOCHARGER (SMALL EXHAUST TURBOCHARGER) (M57T2-SCR) or REMOVING AND INSTALLING/REPLACING LOW-PRESSURE EXHAUST TURBOCHARGER (M57T2-SCR) under 1165 SUPERCHARGER WITH CONTROL .

Release screws along lines (1).

Installation:

Replace nuts.

Replace all seals.

Tightening torque 11 62 1AZ , see EXHAUST MANIFOLD or EXHAUST MANIFOLD .

Tightening sequence from inside to outside!

Fig 1: Identifying Screws

Courtesy of BMW OF NORTH AMERICA, INC.

Reassemble the vehicle.

Check exhaust system for leaks.