1999 BMW Z3 CONVERTIBLE window

RE-CONNECTING DRIVE MOTORS
Due to the interlock of the trunk lid an unlocked top storage cover, the following procedure
must be followed to reconnect the top drive motors, to restore electrical operation:
•Lower all the side windows with the central switch
•Unlock the top from the windshield frame, raise it over the tension point and open the
storage cover.
•Lower the top into the storage compartment and close the storage cover.
•Disconnect fuse #7 in the front power distribution box (this will override the forced lock-
ing of the trunk).
•Open the trunk lid and remove the trim cover from the left side of the trunk.
•Reconnect the motors with the gear drives. The actuating rods can be moved slightly
to allow the gear teeth to engage.
•Close trunk lid and reinstall fuse #7.
•The EM top system must now be initialized to restore normal operation.
Convertible Tops - 18

Convertible Tops - 25
Group 54 31.. includes the fol-
lowing:
•Adjusting convertible top
(mechanical).
•Adjusting EM convertible top.
Group 54 31.. additionally includes the following E36 convertible top specific procedures:
•R&R complete EM Convertible Top
•Replacing rear window in convertible top
•Replacing convertible top fabric.
•R&R handle for convertible top lock
•R&R headlining in convertible top
•Replacing convertible top lid cover
•R&R base plate on left or right

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OPERATION
•Top operation is dependent on a stationary vehicle with the brake pedal depressed.
•Unlock the top at the windshield frame and raise past the tension point (microswitch
closes).
•With the windows lowered press the top switch in the console panel.
•The switch provides a ground for the control circuit of either the up or down relay. Power
is provided through the brake light switch circuit when the brake pedal is depressed.
•The activated relay provides operating power to the pump motor which is grounded
through the other relays not active contacts.
•Release switch once top is at end of travel.
•Motor reversal is achieved when the switch is pressed in the opposite direction activat-
ing the other relay.

Convertible Tops - 33
Z3 CONVERTIBLE TOP ADJUSTMENTS
The following adjustments are pos-
sible on Z3 convertible tops. The
Repair Manual section of TIS pro-
vides system component R&R and
adjustment procedures.
 Adjustment Shims for Base
mount to body. Procedures for
R&R top.
Additionally, the Repair Manual has
procedures for:
 Replacing Rear Window
 Replacing Convertible Cover
 Replacing gas spring strut
Not included in the repair manual is the
adjustment procedure for the windshield
latch hooks.
The hook(s) can be adjusted to correct
for inadequate sealing at the windshield
seal or if the hooks are excessively hard
to close.
Loosen the small recessed allen set
screw. Screw the threaded hook in or out
as needed to adjust. Pull the allen screw
completely out and apply a light coating
of loctite on the threads. Tighten set
screw.