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2021 BMW I3
Range Extender•RWD•AUTOMATIC•hybrid
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Repairs0Labor318Torque3717Fluid6DTC2228Battery1Maintenance0Recalls0
CC-ID-352high severityChassis

Brakes Too Hot

on 2021 BMW i3 Range Extender · RWD

What this code means

The brake system has reached an elevated temperature and requires caution. The message is raised by the brake control module monitoring brake temperature estimation.

Symptoms

  • Brake overheating warning
  • Reduced braking performance
  • Brake fade during heavy use

Common causes

  • Prolonged heavy braking
  • Descending steep grades
  • Dragging brake caliper
  • Brake temperature sensor logic

Diagnostic steps

  1. Allow brakes to cool and recheck
  2. Inspect for dragging or seized calipers
  3. Check brake pad and rotor condition
  4. Scan brake control module for faults
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