Replacing Valve Block GS6S37BZ (SMG)

WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2007 BMW Z4, 2006 BMW Z4, 2005 BMW Z4, 2005 BMW 530i, and 2005 BMW 525i. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: Numbers in text refer to numbers in figures.

CAUTION: Before working on hydraulic system: reduce pressure in hydraulic system by means of service function in DIS Tester. Disconnect hydraulic pump relay in electronics box. DO NOT reconnect relay for entire duration of repair work.

NOTE: After completing work: check fluid level in hydraulic system by means of DIS Tester "Service Function". Perform "Teach in transmission" service function by means of DIS Tester.

Procedure is identical for all solenoid valves: (1) Solenoid valve EV3, (2) Pressure sensor, (3) Solenoid valve EV2, (4) Solenoid valve EV1 and (5) Solenoid valve EV0. See Figure .

Remove assembly underside protection (E60 only).

Release nuts and remove heat shield (1). See Figure . Upon installation, tighten nuts to specification. See TORQUE SPECIFICATIONS .

Release screws (1) and remove protective plate. See Figure . Upon installation, tighten screws to specification. See TORQUE SPECIFICATIONS .

Loosen screws (1). See Figure . Release pressure accumulator (2) at hexagon head (3). Upon installation, tighten fasteners to specification. See TORQUE SPECIFICATIONS .

Installation: replace sealing ring (1). See Figure . Pay attention to installation position of sealing ring.

Release stud bolt (1). See Figure . Lift out expansion tank in direction of arrow from valve block. Upon installation, tighten bolt to specification. See TORQUE SPECIFICATIONS .

Pull off plug (1). See Fig 1 .

Fig 1: Pulling Off Plug

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Unlock and disconnect lines (1) and (2). See Fig 2 and Fig 3 . Upon installation, replace sealing rings.

Fig 2: Disconnecting Lines

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Fig 3: Locating Lines

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Remove screws (1) and (2). See Figure . Remove valve block. Upon installation, tighten screws to specification. See TORQUE SPECIFICATIONS .