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Symptom B: Brakes Excessively Hot While Driving

WARNING: This page does not describe the selected car, but rather 92 other vehicles, including the 2002 BMW Z3, 2002 BMW M Roadster, 2002 BMW M Coupe, 2001 BMW Z3, and 2001 BMW M5. However, it is still accessible from the selected car via links, so may be relevant.
SYMPTOM B: BRAKES EXCESSIVELY HOT WHILE DRIVING

Cause Solution
Vent Bore In Master Cylinder Clogged Overhaul Master Brake Cylinder
No Play Between Push Rod & Master Cylinder Piston Adjust Push Rod
Swollen Rubber Parts Due To Use Of Wrong Brake Fluid Overhaul Master Brake Cylinder, Or Replace If Necessary
Vent Bore In Expansion Tank Clogged Clean Expansion Tank
Corroded Floating Calipers Remove & Install, Repair Or Replace Floating Calipers
Cross Spring Broken Replace Cross Spring
Handbrake Lever Not Released Fully Check Handbrake & Handbrake Cables, Repair If Necessary