Description & Operation
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.
The brake system is one of the most important safety systems on any motor vehicle. For this reason it is necessary to exercise particular caution when working on the brake system and to comply with all instructions.
Brake system is hydraulically-operated, using a tandem master cylinder and power brake booster. Some models use a power steering pump driven booster. All models are equipped with single piston front and rear disc brake calipers. A brake pressure regulator is used to reduce fluid pressure to rear brakes.
Parking brake is cable actuated on rear brake and consists of internally mounted parking brake shoes. Basic adjustment of the parking brake is required whenever:
- Brake shoes are replaced.
- Brake discs are replaced.
- Bowden cable is replaced.
- Bowden cable guide tube is replaced.
- Adjusting unit is reset.
- Actuating stroke is excessive.