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Home >> BMW >> 2009 >> 650i 2D Convertible, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 184 (On-Vehicle Servicing - GA6HP26Z) >> Removal & Installation >> Removing And Installing/Sealing Or Replacing Transmission Sump (GA6HP26Z/6HP32Z)

Removing And Installing/Sealing Or Replacing Transmission Sump (GA6HP26Z/6HP32Z)

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CAUTION: Remove transmission sump only after it has cooled down. After completion of work, check transmission fluid level. See CHECKING/TOPPING UP FLUID LEVEL IN AUTOMATIC TRANSMISSION (GA6HP26Z/6HP32Z)  . Use only the approved transmission fluid. See RECOMMENDED FLUID  . Failure to comply with this requirement will result in serious damage to the automatic transmission.

Necessary preliminary tasks:

  1. E65 only: Unfasten screws. Remove transmission underguard (1). See Fig 1 .
    Fig 1: Removing Transmission Underguard
    G00382455Courtesy of BMW OF NORTH AMERICA, INC.
  2. E60/ E63/ E64 only: Remove rear underbody protection.
  3. Remove cross-member from exhaust system on transmission (N62 only).

Remove oil drain plug (1). See Fig 2 . Drain automatic transmission fluid. Catch and dispose of escaping transmission fluid. Observe country-specific waste-disposal regulations. Upon installation: replace oil drain plug. Tighten to specification. See TORQUE SPECIFICATIONS  .

Fig 2: Locating Oil Drain Plug
G00382456Courtesy of BMW OF NORTH AMERICA, INC.
NOTE: GA6HP26Z plastic oil sump version only. From 10/04 new bolt with M6x28.5 T40 Torx head can be retrospectively replaced.

Unscrew all bolts. Remove transmission sump (1). See Fig 3 . Upon installation: insert screws (2) until screw heads make contact. Insert all further screws in diagonal sequence from inside to outside until screw heads make contact. Tighten to specification. See TORQUE SPECIFICATIONS  .

Fig 3: Locating Transmission Sump Bolts
G00382457Courtesy of BMW OF NORTH AMERICA, INC.

Remove gasket (1) from transmission sump. See Fig 4 . Clean sealing faces and groove with a cloth. Insert new gasket in transmission sump groove. DO NOT degrease transmission sump with cleaning agent.

Fig 4: Removing Gasket From Transmission Sump
G00382458Courtesy of BMW OF NORTH AMERICA, INC.

Replace sealing ring (1) on oil filter tube. See Fig 5 .

Fig 5: Locating Sealing Ring On Oil Filter Tube
G00382459Courtesy of BMW OF NORTH AMERICA, INC.

Installation: the gasket is correctly installed when it is engaged in the locating opening of the transmission sump. See Fig 6 .

Fig 6: Installing Gasket
G00382460Courtesy of BMW OF NORTH AMERICA, INC.
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