Replacing Solenoid Valve Or Pressure Regulator (A5S 325Z)

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NOTE: Numbers in text refer to numbers in figures.

NOTE: After completing work, top up ATF level. Check/top up fluid level in automatic transmission. See CHECKING/TOPPING UP FLUID LEVEL IN AUTOMATIC TRANSMISSION (A5S 325Z) .

Remove and install transmission oil sump. See REMOVING AND INSTALLING/SEALING OR REPLACING TRANSMISSION OIL SUMP (A5S 325Z) .

To locate solenoid valve and pressure regulator components, see Fig 1 .

Fig 1: Locating Solenoid Valve & Pressure Regulator Valve Components

Courtesy of BMW OF NORTH AMERICA, INC.

Detach plug (1) from solenoid valve or pressure regulator. See Fig 2 .

Fig 2: Detaching Plug

Courtesy of BMW OF NORTH AMERICA, INC.

Release screws (1). See Fig 3 . Remove retaining plate (2). Withdraw solenoid valve (1, 2 or 3) or pressure regulator (2, 3 or 4). Upon installation: coat new solenoid valve with ATF.

Fig 3: Removing Solenoid Valve Or Pressure Regulator

Courtesy of BMW OF NORTH AMERICA, INC.

Installation: note installation position of retaining plate (2). See Fig 4 . Curved surface of retaining plate (2) must point to solenoid valve or pressure regulator. Install screws (1). Tighten to specification. See TORQUE SPECIFICATIONS .

Fig 4: Installing Retaining Plate

Courtesy of BMW OF NORTH AMERICA, INC.