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Home >> BMW >> 2018 >> M4 2D Convertible, Automatic DCT Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 63 (Manual Transmission - Repair Instructions) >> Complete Transmission >> 23 00 022 Removing And Installing Transmission (S5D 200G, S5D 250G) >> Installation:

23 00 022 Removing And Installing Transmission (S5D 200G, S5D 250G): Installation:

WARNING: This page is about a different car, the 2002 BMW M Roadster, 2002 BMW M Coupe, 2001 BMW M Roadster, and 2001 BMW M Coupe. However, it is still accessible from the selected car via links, so may be relevant.

Apply thin coat of grease to selector rod. Grease, refer to BMW Service Operating Fluids .

Release nuts, remove clutch slave cylinder. Pressure line remains connected.

CAUTION: Relieve clutch slave cylinder slowly, as otherwise air will be sucked in via the sealing sleeve.
Fig 1: Removing Clutch Slave Cylinder
G03198909Courtesy of BMW OF NORTH AMERICA, INC.


Tightening torque, 21 52 5AZ. Refer to 21 52 CLUTCH OPERATION (HYDRAULIC) .

Pull wires off reverse-gear switch.

Detach oxygen-sensor plug from bracket.

Fig 1: Locating Reverse-Gear Switch
G03198910Courtesy of BMW OF NORTH AMERICA, INC.

Remove cross tube.

Roadster: Remove reinforcement bracket.

Fig 2: Removing Cross Tube
G03198911Courtesy of BMW OF NORTH AMERICA, INC.

M40 engine: remove heater bulkhead. Unscrew cable duct from rear end of engine. Mount special tool 00 0 200 and hook it into the eye on the crankcase. Tighten spindle (1).

Fig 3: Supporting Engine (M40)
G03198912Courtesy of BMW OF NORTH AMERICA, INC.

M50/ M52 engine: remove heater bulkhead. Unscrew injection pipe cover (1). Screw special tool 11 0 030 down through intake manifold and into bracket of crankcase. Fit special tool 00 0 200 and attach to special tool 11 0 030. Tighten spindle (2).

Fig 4: Supporting Engine (M50/ M52)
G03198913Courtesy of BMW OF NORTH AMERICA, INC.

M41/M43 engine: attach special tool 11 8 022 to left and right control arms.

CAUTION: Position special tool 11 8 022 so that engine oil sump rests securely on special tool 11 8 022.

Tighten down knurled screws until special tool 11 8 022 contacts engine oil sump.

Fig 5: Supporting Engine (M41/M43)
G03198914Courtesy of BMW OF NORTH AMERICA, INC.

Support transmission with a workshop hoist.

Unfasten screws and remove cross member with rubber mount.

Fig 6: Removing Cross Member
G03198915Courtesy of BMW OF NORTH AMERICA, INC.

Lower workshop hoist.



Tightening torque 23 71 1AZ/2AZ. Refer to 23 71 TRANSMISSION MOUNTS .

M40/ M42/ M50/ M52 engine: only lower engine and transmission with spindle (2) to such an extent that cylinder head and manifold do not contact engine partition wall or heating connections (visual inspection).

Fig 1: Lowering Engine (M40/ M42/ M50/ M52)
G03198916Courtesy of BMW OF NORTH AMERICA, INC.

M41/M43 engine: Release knurled screws to lower engine and transmission only to such an extent that cylinder head and manifold do not contact engine partition wall or heating connections (visual inspection).

Fig 2: Lowering Engine (M41/M43)
G03198917Courtesy of BMW OF NORTH AMERICA, INC.

Use a screwdriver to lift out spring (1) from the lug (2) on the housing and swivel upwards.

Fig 3: Removing Shaft
G03198918Courtesy of BMW OF NORTH AMERICA, INC.

Pull out shaft.



Apply thin coat of grease to bearing pin. Grease,refer to BMW Service Operating Fluids .

Support transmission with workshop hoist.

Unfasten screws.

Fig 1: Locating Transmission Screws
G03198919Courtesy of BMW OF NORTH AMERICA, INC.
CAUTION: Do not allow transmission to hang on transmission input shaft when removing and installing, as the clutch disc will be deformed.

Pull transmission downwards and remove.



Always fit screws with washers.

Tightening torque, 23 00 1 AZ. Refer to 23 00 TRANSMISSION IN GENERAL .



Pay attention to guide sleeves (1 & 2). Replace, if necessary. Ensure correct position of cover plate.

Fig 1: Locating Guide Sleeves
G03198920Courtesy of BMW OF NORTH AMERICA, INC.


Remove and clean release unit and release lever and grease appropriate points.



Check lubrication of transmission input shaft for sticky consistency. Replace clutch disk if grease is sticky.

Fig 1: Checking Lubrication Of Transmission Input Shaft
G00374648Courtesy of BMW OF NORTH AMERICA, INC.

Check clutch disk for friction rust in taper splines and replace, if necessary.

Mechanically remove old grease and lining abrasion from the taper splines of the clutch disc (with a cloth).

Clean and grease taper grooves and guide pin of transmission input shaft. The volume of grease required for this corresponds roughly to the size of a grain of corn. Grease, refer to BMW Service Operating Fluids .