11 65 010 Removing and installing/replacing pressure accumulator (N63)

Necessary preliminary tasks: 

• Remove both exhaust turbochargers  . See 11 65 025 Removing and installing/replacing exhaust turbocharger, right, cylinders 1-4 (N63)  and 11 65 030 Removing and installing/replacing exhaust turbocharger, left, cylinders 5-8 (N63) .
• Remove both exhaust manifolds  . See 18 40 020 REMOVING AND INSTALLING/REPLACING RIGHT EXHAUST MANIFOLD (N63) .
• Remove heat shield  at bottom.

Release banjo bolt (1).

Tightening torque 11 42 3AZ, see 11 42 OIL FILTER AND PIPES

Installation: 

Replace sealing ring  .

Release screw (3) on engine oil line.

Remove engine oil line (2).

Release screws (3) on vacuum reservoir (4).

Fig 1: Identifying Vacuum Reservoir, Banjo Bolt And Screws

Courtesy of BMW OF NORTH AMERICA, INC.

Tightening torque 11 65 6AZ, see SUPERCHARGER

Remove vacuum reservoir (4).

Check vacuum connections  for correct routing.

Check vacuum system for leaks.

Assemble engine.