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Home >> BMW >> 1988 >> 325is Automatic >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Brakes - Repair (E30) >> Description & Operation

Description & Operation

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 are equipped with single piston front and rear disc brake calipers. A brake pressure regulator is used to reduce fluid pressure to rear brakes. Some models are equipped with rear drum brakes.

Parking brake is cable actuated on rear brake of drum brake or, on disc brakes, consists of internally mounted parking brake shoes.

NOTE: For information on Anti-Lock Brake Systems (ABS), see appropriate ANTI-LOCK article.