Installing complete convertible top

WARNING: This page is about a different car, the 2025 BMW M4, 2024 BMW M4, 2023 BMW M4, 2022 BMW M4, and 2021 BMW M4. However, it is still accessible from the selected car via links, so may be relevant.

CAUTION: Folding up of convertible top through loss of pressure in hydraulic cylinders.
Injury hazard! Injury hazard by trapping!

When carrying out all repair work, secure soft top and soft top compartment lid with a suitable support tool against collapsing. Ensure soft top is supported in the middle.

CAUTION: Heavy component.
Heavy components can lead to injury or damage.

Remove and install heavy components with the aid of another person/other persons.

Lift convertible top (1) with the lifting equipment (2) and the workshop crane (3) into the vehicle.
Position the convertible top (1) in the vehicle with a support person.

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: Perform the steps on the left and right side.
Check if barrel screw (2) is set on the previously noted dimension (x) ; if necessary, correct the dimension.
When replacing the barrel screw: Adjust the barrel screw (2) with the special tool 0 496 042 (54 0 180) .

Courtesy of BMW OF NORTH AMERICA, INC.
Replace the screw (1).
Parts: Screw

Tighten down screw (1).

TIGHTENING TORQUE SPECIFICATIONS

Convertible top on body
Hexagon screw M8x40	Tightening torque	19 Nm

NOTE: To provide a better overview: Schematic diagram with partially hidden components.

NOTE: Perform the steps on the left and right side.

Replace screws (1).
Parts: Screws

Tighten the screws (1).

Courtesy of BMW OF NORTH AMERICA, INC.

TIGHTENING TORQUE SPECIFICATIONS

Convertible top on body
Torx bolt M10x25	Tightening torque	56 Nm

Store the hydraulic unit (1) on a suitable pad on the tailgate.
If necessary, insert eyes (2) on the left and right.

Courtesy of BMW OF NORTH AMERICA, INC.
Open convertible top hinge cover (1) by hand.
Close convertible top (2) manually.
Convertible top brace (4) is kept in position using the safety eyes inserted in area (3).
Do not remove the safety eyes.

Courtesy of BMW OF NORTH AMERICA, INC.
Position hydraulic unit (1) in the cargo area and connect the existing plug connections.
Feed in the convertible top wiring harness in the area (2) and connect all plug connections.
Position all hydraulic lines (1) and clip them in.

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: Perform the steps on the left and right side.
Release adhesive tape (2) from the hydraulic cylinder for convertible top compartment lid (1) and hydraulic lines (3).

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: Perform the steps on the left and right side.
Position the hydraulic cylinder (2) and clip it in.
Ensure that retaining clips (1) engage audibly.

Courtesy of BMW OF NORTH AMERICA, INC.
Open convertible top (1) manually and move it to the position shown.
Convertible top (1) is fully open; the convertible top hinge covers are in the closed position.
Remove the safety loops (2) to the left and right.

Courtesy of BMW OF NORTH AMERICA, INC.

Check

Store the hydraulic unit (1) level.
Open and close convertible top at least 2 times.
With the convertible top closed, check if the oil level is within the mark on fluid tank (2).

Courtesy of BMW OF NORTH AMERICA, INC.

Result

» Oil level outside of the mark (2).

Measure
- Open lid (3) and correct the oil level.
Position control unit (2) and secure it using retaining strap (1).

Courtesy of BMW OF NORTH AMERICA, INC.
Guide in and position hydraulic unit (1).

Courtesy of BMW OF NORTH AMERICA, INC.
Fasten the hydraulic lines (1) and the wiring harness (2) on the existing holders.

Courtesy of BMW OF NORTH AMERICA, INC.
Close soft top completely.
Replace the screw (1).
Parts: Screw
Tighten the screws (1) to the left and right.

TIGHTENING TORQUE SPECIFICATIONS

Convertible top on body
Hexagon screw M10x40	Tightening torque	56 Nm

Courtesy of BMW OF NORTH AMERICA, INC.

Follow-up work

Refer to INSTALLING THE CONVERTIBLE TOP COMPARTMENT .
Refer to INSTALLING THE CONVERTIBLE TOP COMPARTMENT LID .
Refer to INSTALLING THE SUPPORT FOR THE REAR INNER WINDOW RECESS FINISHER COVER ON THE LEFT AND RIGHT .
Refer to ADJUSTING THE REAR WINDOW SHAFT DIMENSION .
Refer to INSTALLING THE REAR INNER WINDOW RECESS FINISHER STRIP ON THE LEFT AND RIGHT .
Refer to INSTALLING LEFT AND RIGHT REAR SIDE TRIM PANEL .
Refer to INSTALLING THE INNER DOOR SILL COVER STRIP ON THE LEFT AND RIGHT .
Refer to INSTALLING THE COVER FOR CROSS MEMBER AT THE TOP .
Refer to INSTALLING THE UPPER TRIM PANEL ON ROLLOVER PROTECTION SYSTEM .
Refer to INSTALLING THE REAR LEFT AND RIGHT HEAD RESTRAINT GUIDES .
Refer to INSTALLING REAR LEFT AND RIGHT HEAD RESTRAINTS .
Refer to REMOVING REAR SEAT BACKREST .
Refer to INSTALLING THE LEFT AND RIGHT BACKREST SIDE SECTION .
Refer to INSTALLING THE REAR SEAT .
Refer to INSTALLING THE WINDOW CHANNEL STRIP AT REAR OUTER LEFT AND RIGHT .
Refer to INSTALLING LUGGAGE COMPARTMENT WHEEL ARCH TRIM PANEL .
Refer to INSTALLING LUGGAGE COMPARTMENT WHEEL ARCH TRIM PANEL ON RIGHT .
Refer to INSTALLING THE TOP LUGGAGE COMPARTMENT TRIM PANEL .
Refer to INSTALLING LOADING EDGE TRIM .
Refer to INSTALLING LUGGAGE COMPARTMENT FLOOR COVERING .
Refer to ADJUSTING THE REAR SIDE WINDOW .
Refer to ADJUSTING DOOR WINDOW GLASS .
Refer to DELETE FAULT MEMORY .