Mercedes CLC Navi defective | Navi repair Comand.The footwell module can now be removed from the vehicle.With the footwell module free, you can now easily remove the two front wiring harnesses. Carefully pull the footwell module free from the side of the car.

Use a 10mm nut driver to remove the top and bottom plastic hex nuts that secure the footwell module to the body of the car.Raise the locking mechanism and pull the wiring harness free from the module. Remove the rear wiring harness by pressing in the tab to release the locking mechanism.The two front ones are easier to remove after the footwell module is removed from the body of the vehicle. The footwell module has three wiring harnesses connected to it.two in the front and one in the rear. Unplug the trunk release button's electrical connector and remove the trim panel from the vehicle.Grasp the trim panel as shown below and pull until the trim clip releases. There is a plastic trim clip holding the lateral trim panel to the body of the car.Remove the phillips screw anchoring the lateral trim panel to the body of the vehicle.Moving to the lateral trim panel, use a phillips head screwdriver to remove the hood release handle.Remove the dash trim panel from the car.Disconnect the MOST diagnosis port connection.Disconnect the Bluetooth antenna cable by using a small flat-blade screwdriver or metal pick.Grasp the trim panel and pull it loose from the dashboard. Using a T20 torx bit, remove the three trim screws anchoring the lower dash trim panel.

Start by removing the interior door entrance strip by pulling on one end until it releases from its mounting clips.

The BMW E90 footwell module is located in the driver’s footwell behind the lateral trim panel.

Failure to do so can cause catastrophic damage to sensitive electronics. Always disconnect your vehicle's battery before working on any electronic component.

Disconnect the negative terminal from the battery.

Section 1 - Removing the BMW footwell module

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