BMW Z4 Bedienungsanleitung PDF herunterladen (Seite 23)

Complete Vehicle

The fully automatic soft-top, like the standard soft-top, consists of magnesium and alu-

minum components.

The soft-top lowers and raises fully automatically by means of electrohydraulic servo units

that control the primary soft-top movements. The soft-top/windscreen top rail locks are

operated by an electric motor.

The soft-top is raised and lowered by pressing the soft-top switch located between the

gear lever and the ash tray - no additional manual operations are required.

The inner lining provides a neat, coupé-style interior effect, and significantly improves the

soft-top acoustics and heat insulating properties.

The fully automatic soft-top is available as an optional extra.

System overview

The hydraulic pump unit is mounted on the left soft-top main bearing.

Hydraulic pump unit

The hydraulic pump unit consists of an oil reservoir with an integral pump. The pump is dri-

ven by a DC reversing motor. All hydraulic valves are integrated in the hydraulic pump unit.

Method of operation:

1. Main Bearing

2. Hydraulic Servo Unit

3. Hydraulic Pump Unit

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BMW Z4 Bedienungsanleitung Seite 23