New Brake Pad Wear Sensor Design Will Prevent Squealing on BMW 645Ci

Problem Description and Possible Solution

If the brakes are squealing, there's a good chance it is the brake pad wear sensor. A new design was implemented in January 2006 and can be identified by its green color.

Problem Data
RepairPal Verified
Average mileage: 62,833 (30,000–127,000)
2 model years affected: 2004, 2005
10 people reported this problem
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brakes squealing. very annoying