Remove left clean air pipe

Preliminary work 

• Refer to REMOVING THE ACOUSTIC COVER .
• Refer to RELEASING LEFT CHARGE AIR LINE PARTIALLY .

• Loosen clamps (1).
• Unlock lock (2).
• Unlock the engine ventilation line (3) and disconnect from the clean air pipe (4).
• Feed out clean air pipe and remove (4).

Courtesy of BMW OF NORTH AMERICA, INC.