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Home >> BMW >> 2018 >> 440i 2D Convertible >> Repair and Diagnosis >> Body & Frame >> Sun Roof/T-Top/Convertible Top >> Sunroof & Convertible Top - Repair (F32, F33 & F36) >> 54 37 Retractable Hardtop >> Removing and installing/replacing cowl panel lock, left or right (4' Series Convertible)

Removing and installing/replacing cowl panel lock, left or right (4' Series Convertible)

Necessary preliminary tasks: 

Installation note: 

Move soft top into service position.

Move soft top so that angle of the hinges is not  ≤90°.

IMPORTANT: Risk of damage! Pressure in hydraulic system drops and soft top loses its position.

Support rear roof shell to soft top cover with suitable auxiliary materials.

Auxiliary materials must lie over wide area and if possible over entire length.

Rear roof shell is supported by auxiliary materials on soft top cover.

Roof shells block each other.

G06181108Courtesy of BMW OF NORTH AMERICA, INC.

Slide open retaining clip (1) and unclip ball head.

NOTE: Prior to removing mark the positions of the nuts to ensure correct alignment during installation.

Unscrew nuts (2).

Tightening torque 54 37 8AZ .

Installation note: 

Replace nuts.

G06181229Courtesy of BMW OF NORTH AMERICA, INC.

Replacement only: 

Loosely screw on the new locks.

It should just be barely possible to slide the lock, as it must still move enough to center itself.

Close soft top.

The locks slide into place.

Tighten down nuts (1).

Tightening torque 54 37 8AZ .

Check BODY GAP DIMENSION and if necessary adjust

G06181230Courtesy of BMW OF NORTH AMERICA, INC.