Replacing Solenoid Valve EV3 For Selection Angle Brake GS6S53BZ (SMG)

WARNING: This page is about a different car, the 2005 BMW 645Ci, 2005 BMW 545i, 2004 BMW 645Ci, and 2004 BMW 545i. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: Numbers in text refer to numbers in figure.

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.

Remove assembly underside protection. Remove heat shield.

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

Fig 1: Releasing Pressure Accumulator At Hexagon Head

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Installation: replace sealing ring (1). See Fig 2 . Pay attention to installation position of sealing ring.

Fig 2: Locating Sealing Ring

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Detach plug from solenoid valve EV3 (1). See Figure .

Release screws (1) and pull solenoid valve out. See Fig 3 . Upon installation, replace sealing ring. Tighten screws to specification. See TORQUE SPECIFICATIONS .

Fig 3: Removing Solenoid Valve

Courtesy of BMW OF NORTH AMERICA, INC.