Brembo Rear Brake Pad Wear Sensor – BMW 2/3/4-Series M2 M3 M4 2012-2021

Brembo OE-spec electronic brake pad wear sensor for the BMW 2-Series, 3-Series and 4-Series, including M2, M3 and M4 (2012-2021). Monitors pad thickness and triggers the dash warning when the pads reach minimum thickness; built to OE form, fit and function