32 41... Replacing suction line for power steering with Dynamic Drive (N62, N62TU) (from cutting line to power steering pump

WARNING: This page is about a different car, the 2010 BMW 550i, 2009 BMW 550i, and 2008 BMW 550i. However, it is still accessible from the selected car via links, so may be relevant.

IMPORTANT: Adhere to the utmost cleanliness. Do not allow any dirt to enter the hydraulic system.
Close off pipe connections with plugs.

Necessary preliminary tasks:

Draw off and dispose of hydraulic fluid from fluid reservoir.
Remove front underbody protection . See 51 47 490 REMOVING AND INSTALLING / REPLACING FRONT UNDERBODY PROTECTION .
Remove intake filter housing . See 13 71 000 REMOVING AND INSTALLING/REPLACING INTAKE FILTER HOUSING .

Unscrew nut (1).

Unfasten hose clip (2).

Detach suction line (3) and remove.

Installation:

Markings (4) on both suction lines must match up.

Replace self-locking nut.

Tightening torque, see 32 41 10AZ in 32 41 PUMP AND OIL SUPPLY

Fig 1: Identifying Mark On Both Suction Lines

Courtesy of BMW OF NORTH AMERICA, INC.

Expose suction line up to power steering pump.

Unfasten hose clip (1).

Detach suction line (2) from power steering pump.

Installation:

Markings (3) on suction line and power steering pump connection must match up.

Fig 2: Identifying Mark On Suction Line And Power Steering Pump

Courtesy of BMW OF NORTH AMERICA, INC.

After installation:

Fill and bleed hydraulic system . See 32 13 006 Bleeding power steering (version with Dynamic Drive) or 32 13 006 Bleeding power steering unit
Check pipe connections for leaks