Symptom D: Brake Pedal Motion Too Soft & Spongy
WARNING: This page does not describe the selected car, but rather 43 other vehicles, including the 2006 BMW M3, 2006 BMW 330Ci, 2006 BMW 325Ci, 2005 BMW M3, and 2005 BMW 330xi. 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 |