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Home >> BMW >> 2014 >> M6 2D Convertible, Standard Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 865 (Brakes - Repair - F31) >> Brake Testing And Bleeding >> 34 00 xxx Removing and installing/replacing vent valve for brake caliper

34 00 xxx Removing and installing/replacing vent valve for brake caliper

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2016 BMW 328i xDrive, 2016 BMW 328d xDrive, 2015 BMW 328i xDrive, 2015 BMW 328d xDrive, and 2014 BMW 328i xDrive. However, it is still accessible from the selected car via links, so may be relevant.

Necessary preliminary work: 

Removal: 

Press brake pedal down to floor and secure with pedal support.

NOTE: The pedal support may only be released when the brake lines are reconnected.
This prevents brake fluid from emerging from the expansion tank and air from entering the system when the brake lines are opened.
Fig 1: Locating Brake Tensioner
G04754178Courtesy of BMW OF NORTH AMERICA, INC.

Remove dust cap (1).

Fig 2: Identifying Dust Cap
G09947262Courtesy of BMW OF NORTH AMERICA, INC.

Remove vent valve (1).

IMPORTANT: Collect escaping brake fluid in a suitable collecting vessel.
Fig 3: Identifying Vent Valve
G09947263Courtesy of BMW OF NORTH AMERICA, INC.

Installation: 

IMPORTANT: The bore hole must be free of contamination!

Install vent valve (1).

Tightening torque:: 34 00 1AZ .

Fig 4: Identifying Vent Valve
G09947263Courtesy of BMW OF NORTH AMERICA, INC.

Mount dust cap (1).

Fig 5: Identifying Dust Cap
G09947262Courtesy of BMW OF NORTH AMERICA, INC.

Remove pedal support.

Fig 6: Locating Brake Tensioner
G04754178Courtesy of BMW OF NORTH AMERICA, INC.

Required follow-up work: