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On average, the cost for a BMW 3.0S Rear Window Defogger Switch Replacement is $152 with $57 for parts and $95 for labor. Prices may vary depending on your location.
The rear window defogger is a grid of surface-mounted wires on the rear window of your car. Electricity runs through the grid and the wires create heat that melts snow and ice from the window and clears moisture that fogs up the glass. The power for the rear window defogger is controlled by a switch at the driver’s discretion, and automatically turns off after a set time. The rear window defogger switch lights up when in use to show when the system is active. If the rear window defogger switch fails to complete a circuit or gets stuck, the rear window defogger will not operate.
The window defogger switch doesn’t require attention unless the rear defogger system is not working at all. If you suspect the rear window defogger switch is faulty, have it tested and replaced by one of our expert mechanics.
The rear window defogger switch is crucial for maintaining visibility through the rear window. If the switch fails, have it replaced promptly.
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