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Home >> BMW >> 1985 >> 528e Automatic >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Disc & Drum >> Testing >> Hydraulic Reservoir

Hydraulic Reservoir

  1. With Pressure Tester Adapter and Pressure Tester (32 4 000 and 34 3 160) connected to brake reservoir. Operate brake pedal about 20 times to reduce reservoir pressure (pressure meter reading to "0").
  2. Start engine and ensure pressure meter is within specifications. If specification is not reached or exceeded, replace hydraulic reservoir.