Replacing Output Flange (A5S 360R / 390R)

WARNING: This page does not describe the selected car, but rather 49 other vehicles, including the 2007 BMW Z4, 2007 BMW X3, 2006 BMW Z4, 2006 BMW X5, and 2006 BMW X3. However, it is still accessible from the selected car via links, so may be relevant.

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 360R / 390R, A4S 200R / 310R) .

Remove complete exhaust system.

Remove heat shield (1). See Figure .

Release screws. See Figure . Upon installation: replace self-locking nuts and tighten to specification. See TORQUE SPECIFICATIONS .

Grip propeller shaft. Release nuts. See Figure . Bend propeller shaft downwards at center bearing (1). Detach propeller shaft from transmission output flange and tie back to side on vehicle underbody. Upon installation, tighten nuts to specification. See TORQUE SPECIFICATIONS .

Grip output flange (1) with Special Tool (23 0 020). See Fig 1 . Release hexagon nut. Detach output flange (1). Upon installation, install hexagon nut with screw retaining compound and tighten to specification. See TORQUE SPECIFICATIONS .

Fig 1: Detaching Output Flange

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Installation: replace inner sealing ring (1) on output flange (2). See Fig 2 .

Fig 2: Replacing Inner Sealing Ring

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CAUTION: There are two different output flanges; DO NOT mix them up.

Version 1 (without spring washer) Identifying features:

There is no spring washer fitted between the flange nut and output flange to secure the output flange (2) on the flange nut (1). See Fig 3 .
When this output flange is replaced, the add-on kit detailed below must be retrofitted.

CAUTION: Only the modified version (Version 2) is still available as a replacement.

Fig 3: Identifying Version 1

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For retrofit kit, see Fig 4 . Install add-on kit for output flange.

Fig 4: Identifying Retrofit Kit

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CAUTION: If the version 2 output flange is replaced by a version 2 model, the snap ring supplied in the add-on kit must not be replaced because the fitted snap ring is difficult to remove. See Fig 4 The fitted snap ring must be left in the transmission

NOTE: In series production, the output flange with spring washer is fitted from transmission serial number 7912 and has no color marking.

Version 2 (with spring washer) Identifying features:

As the substitute, the output flange with spring washer (2) is identified with a white marking (1) around its circumference. See Fig 5 .
The spring washer (1) is fitted between flange nut and output flange (2). See Fig 6 .

Fig 5: Identifying Version 2

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Fig 6: Locating Spring Washer

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