Affected Component: EQUIPMENT ADAPTIVE/MOBILITY

Date Published
APR 01, 2021
NHTSA TSB #
10194298
TSB Document
Summary
Diagnosis of Compound Brake System Complaints in M Vehicles: 1. Visible cracks are caused by high thermal stresses during rapid heating and cooling of the brake discs. Braking from high speed with cold brake components (less than 212 degrees F) increases the likelihood of cracks to form.