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

Necessary preliminary work: 

• Remove both exhaust turbochargers. See REMOVING TURBOCHARGER, RIGHT (CYLINDERS 1-4)  and REMOVING TURBOCHARGER, LEFT (CYLINDERS 5-8) .
• Remove both exhaust manifolds. See REMOVING LEFT EXHAUST MANIFOLD and REMOVING RIGHT EXHAUST MANIFOLD .
• Remove HEAT SHIELD  at bottom

Release banjo bolt (1).

Tightening torque 11 42 3AZ .

Installation note: 

Replace sealing ring. 

Release screw (3) on engine oil line.

Remove engine oil line (2).

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

Tightening torque 11 65 6AZ .

Remove vacuum reservoir (4).

Fig 1: Identifying Vacuum Reservoir, Banjo Bolt, And Screws

Courtesy of BMW OF NORTH AMERICA, INC.

Check VACUUM CONNECTIONS  for correct routing.

Check VACUUM SYSTEM FOR LEAKS .

Assemble engine.