The vehicles brake pad wear sensors alert the driver when a brake job is coming due. Replace these everytime you service the brake pads even if your light has not illuminated yet.
Your BMW or European build relies on brake pad wear sensors to track pad life and trigger that dashboard alert before things get critical. Disregarding a worn sensor—or trying to bypass it—is a surefire way to score your rotors and ruin your braking performance. When it’s time to swap out your pads, fresh sensors should always be on your checklist.
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