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Home >> BMW >> 2013 >> Z4 28i, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 1370 (Convertible Top - Repair -- Z4_E89) >> Folding Roof >> 54 37 245 Replace microswitch on the left Kinematics box

54 37 245 Replace microswitch on the left Kinematics box

WARNING: This page is about a different car, the 2016 BMW Z4, 2015 BMW Z4, and 2014 BMW Z4. However, it is still accessible from the selected car via links, so may be relevant.

Necessary preliminary tasks: 

Removal: 

Move soft top compartment lid into position shown.

IMPORTANT: Soft top compartment lid closes when system is depressurized and must be supported with suitable piece of auxiliary equipment.
Fig 1: Identifying Convertible Top Compartment Lid
G06912219Courtesy of BMW OF NORTH AMERICA, INC.
NOTE: Hydraulic system must be at zero pressure.

Unscrew screw on hydraulic unit by 1.5 turns.

Fig 2: Opening Screws On Hydraulic Unit
G06912233Courtesy of BMW OF NORTH AMERICA, INC.

Unlock and detach retaining clip (1).

Detach linkage (2).

Fig 3: Detaching Retaining Clip
G06912220Courtesy of BMW OF NORTH AMERICA, INC.
Fig 4: Identifying Kinematic Box, Cable Strap And Screws
G11152886Courtesy of BMW OF NORTH AMERICA, INC.

Unlock and detach plug connection (1), if necessary.

Cut open cable strap (2).

Unscrew nuts (3).

Take off kinematic box (4).

Release screws (1).

Remove microswitch.

Fig 5: Identifying Microswitch Screws
G11152887Courtesy of BMW OF NORTH AMERICA, INC.

Installation: 

Feed in line (1).

NOTE: Check for correct line routing!

Position microswitch (2).

Tighten down screws (3).

Tightening torque 54 37 19AZ .

Fasten line (1) using cable straps (4) and (5).

Fig 6: Identifying Microswitch, Cable Straps And Screws
G11152888Courtesy of BMW OF NORTH AMERICA, INC.
IMPORTANT: Risk of damage!
If the line is incorrectly routed, the line may be torn off.

Check connector housing (1) is correctly fastened.

Fig 7: Identifying Connector Housing
G11152889Courtesy of BMW OF NORTH AMERICA, INC.

Additional work for vehicles with version before 7/2014: 

The connector housing has to be replaced on the wiring harness connected to the vehicle.

Cut off line (1) directly at connector housing (2).

Carefully remove adhesive tape (3) along a length of approx. 4 cm. Do not damage lines (1) while doing so.

Slide gasket (TN 8 353 706) onto all lines (position thinner side of gasket towards cable end).

Strip lines.

Crimp PINS (TN 8 366 260) using special tool 61 9 041.

Connect pins into connector housing (TN 8 365 340) (pin assignment optional). Make sure that the gaskets are correctly seated in the connector housing.

Fig 8: Identifying Connector Housing Line And Adhesive Tape
G11152890Courtesy of BMW OF NORTH AMERICA, INC.
Fig 9: Identifying Kinematic Box, Cable Strap And Screws
G11152886Courtesy of BMW OF NORTH AMERICA, INC.

Position kinematic box (4).

Lightly tighten nuts (3).

Connect and lock plug connection (1).

Slide linkage (2) onto bolt.

Lock locking clip (1).

Fig 10: Sliding Linkage Onto Bolt
G11152892Courtesy of BMW OF NORTH AMERICA, INC.

Adjusting: 

Insert screws (1).

Kinematics box should still be able to be slid in order to center itself.

Close soft top compartment lid.

Fig 11: Identifying Kinematics Box Screws
G06912221Courtesy of BMW OF NORTH AMERICA, INC.

Open tailgate.

Tighten down screws (1).

Tightening torque 54 37 2AZ .

Check 41 00... BODY GAP DIMENSIONS .

If necessary, manually adjust the kinematics box.

Once correctly adjusted, close tailgate and open soft top compartment lid.

Tighten screw (2).

Tightening torque 54 37 2AZ .

Fig 12: Identifying Tailgate Screws
G11152894Courtesy of BMW OF NORTH AMERICA, INC.

Required reworking: 

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