54 37... Removing and installing/replacing hydraulic valve (solenoid valve)

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Necessary preliminary work

Remove LUGGAGE COMPARTMENT FLOOR TRIM PANEL .

IMPORTANT:

Hydraulic fluid may emerge from the open connections on the hydraulic unit.

Protect components and work area with suitable materials (e.g. cloths).

Make sure that dirt cannot get into the hydraulic circuit.

Do not fit hydraulic lines in kinked, crushed or transposed condition.

Release screws (1). Tightening torque 54 37 09AZ . Remove battery rollover protection (2). Remove insulating mat (3).

Fig 1: Identifying Insulating Mat And Battery Rollover Protection With Screws

Courtesy of BMW OF NORTH AMERICA, INC.

Fig 2: Overview Of Hydraulic Valves F1, F2 And F3

Courtesy of BMW OF NORTH AMERICA, INC.

Hydraulic unit must be held in the vertical position, otherwise fluid will escape.

Change shown on hydraulic valve F2. Analogous procedure for hydraulic valve F1 and F3.

When removing several hydraulic valves, mark the plugs at the respective slots.

Unfasten plug connection (1) and disconnect.

Tightening torque 54 37 15AZ .

Detach hydraulic valve

Important! Protect exposed bores against dirt contamination.

Do not mix up plug connections.

Check fluid level or top up if necessary.

Run a function check.

Fully open and close soft top a minimum of 3 times in order to bleed the hydraulic system.