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Home >> BMW >> 2000 >> 740iL >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> BRAKES - REPAIR INSTRUCTIONS - 740i & 740iL - E38 >> Brakes testing and Bleeding >> 34 00 048 Bleeding brake system with ABS/ASC+T >> Bleeding front-axle brake circuit

Bleeding front-axle brake circuit

Connect bleeder hose and bottle to bleed valve on front right brake caliper.

Fig 1: Connecting Bleeder Hose And Bottle To Bleed Valve On Front Right Brake Caliper
G03225693

Open bleed valve.

Fully depress brake pedal at least 12 times. Brake fluid must emerge clear and free of bubbles.

Hold down brake pedal in fully depressed position.

Close bleeder valve.

Release brake pedal.

Follow same procedure on front left wheel brake.

CAUTION: With fixed caliper, bleed both sides of brake caliper, removing wheel if necessary.

Switch off bleeder unit and remove from expansion tank.

Check brake fluid level.

Close expansion tank.

NOTE: Take care of rubber gasket (1) in lid.
Fig 2: Removing Bleeder Unit From Expansion Tank
G03225694