Symptom D: Brake Pedal Motion Too Soft & Spongy
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2003 BMW M5, 2003 BMW 540i, 2003 BMW 530i, 2003 BMW 525i, and 2002 BMW M5. However, it is still accessible from the selected car via links, so may be relevant.
SYMPTOM D: BRAKE PEDAL MOTION TOO SOFT & SPONGY
| Cause | Solution |
|---|---|
| Air In Braking System | Top Up Or Change Brake Fluid, Bleed Brake System |
| Insufficient Brake Fluid In Expansion Tank | Top Up Or Change Brake Fluid, Bleed Brake System |
| Overheated Brake Fluid, Vapor Lock Due To Excessive Water Content In Brake Fluid Or Excessive Brake Loads | Top Up Or Change Brake Fluid, Bleed Brake System |