32 13 650 Removing and installing/replacing EH converter for Servotronic

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.

Necessary preliminary tasks:

Remove reinforcement plate . See 31 10 010 REMOVING AND INSTALLING/REPLACING REINFORCEMENT PLATE .
If necessary, remove heat shield.

Disconnect plug connection (1).

Unfasten screws (2).

Remove EH converter (3).

Installation:

Clean side return orifice with compressed air.

Align EH converter (3) to opening in power steering gear, press by hand into power steering gear up to stop, insert screws (2) and tighten down.

Tightening torque, see 32 13 12AZ in 32 13 POWER STEERING GEAR

Fig 1: Identifying Plug, EH Converter And Screws

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 .

Version with Dynamic Drive:

If necessary, carry out initial Dynamic Drive operation . See 37 10 001 INITIAL OPERATION WITH TEST RUN OF DYNAMIC DRIVE .