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Removal & Installation (7-Series)

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Remove left rear wheel. Remove left rear wheel trim. Remove return line. See Fig 1. Unscrew and lower expansion tank. See Fig 2. Disconnect connections No. 1 and 2. See Fig 3. Unclip lines in front of tank. See Figure. Loosen lines to activated carbon filter at expansion tank. Remove expansion tank.

Fig 1: Removing Return Line (7-Series)
G00131497Courtesy of BMW OF NORTH AMERICA, INC.
Fig 2: Removing Expansion Tank (7-Series)
G00131498Courtesy of BMW OF NORTH AMERICA, INC.
Fig 3: Disconnecting Connections No. 1 & 2 (7-Series)
G00131499Courtesy of BMW OF NORTH AMERICA, INC.