M62 Only:

WARNING: This page is about a different car, the 2003 BMW X5, 2002 BMW X5, 2001 BMW X5, and 2000 BMW X5. However, it is still accessible from the selected car via links, so may be relevant.

Lever out expansion rivets (1).

Release screws (2).

Tightening torque, see 13 71 3AZ in FUEL SYSTEM - TIGHTENING TORQUES .

Fig 1: Removing Expansion Rivets And Screws

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: Intake pipe is secured in intake hood by means of two locking lugs (1). Locking lugs are located under intake hood.
Press locking lugs (1) around circumference and remove intake hood.

Fig 2: Pressing Locking Lugs Around Circumference And Removing Intake Hood

Courtesy of BMW OF NORTH AMERICA, INC.