2300017 Removing and installing transmission (GS6-17BG) N51/N52/N52k/N53: Installation

WARNING: This page does not describe the selected car, but rather 13 other vehicles, including the 2011 BMW 328xi, 2011 BMW 328i, 2011 BMW 323i, 2010 BMW 335xi, and 2010 BMW 335i. However, it is still accessible from the selected car via links, so may be relevant.

Grease shift rod pin (3).

Grease, refer to OPERATING FLUIDS .

Fig 1: Pulling Shift Rod Out Of Shift Rod Joint

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Unlock bearing pin (1) in direction of arrow and remove.

Fig 2: Removing Bearing Pin

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Lift out shift arm (1).

Grease bearing pin.

Grease, refer to OPERATING FLUIDS .

Fig 1: Lifting Out Shift Arm

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Release screws.

Installation:

Tightening torque, steel screws 23 00 1AZ .

Aluminium screws must be replaced.

Tightening torque and angle of rotation

Aluminium screws/bolts 23 00 2AZ .

Fig 2: Locating Clutch Disc Screws

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IMPORTANT: Do not suspend the transmission from the transmission input shaft during removal and installation as this will deform the clutch disc. Pull out transmission towards rear and remove.

Installation:

Tighten down screws/bolts to specified torque.

Secure special tool and angle of rotation 00 9 120 with magnet 00 9 130 to vehicle underbody.

Screw down aluminium screws/bolts further according to angle of rotation.

Angle of rotation 23 00 2AZ .

Fig 3: Securing Angle Of Rotation Using Special Tool 00 9 120 And Magnet 00 9 130

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Check fitting sleeves (1 and 2) for correct seating.

Replace damaged sleeves.

Ensure correct position of cover plate.

Fig 1: Identifying Dowel Sleeves

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Check lubrication of transmission input shaft for sticky consistency. If grease is sticky, clean input shaft and REPLACE CLUTCH DISC .

Check clutch disc for friction rust in splines and REPLACE IF NECESSARY .

Remove any grease and lining abrasion from splines of clutch disc by mechanical means (with a cloth).

Fig 1: Locating Transmission Input Shaft

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Installation:

Greasing specification:

Remove and clean release bearing and release lever (do not grease).
Push on grease scraper ring 21 2 220 as far as it will go.
Grease splines (1) of input shaft with a brush.
refer to OPERATING FLUIDS
Detach grease scraper ring.

Fig 2: Locating Splines Of Input Shaft
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