51 71 099 Removing and installing/replacing radiator air guide

Necessary preliminary tasks

Release expanding rivets (1).

Release catch (2) and remove intake duct (3) towards top.

Fig 1: Identifying Expanding Rivets, Catch And Intake Duct

Courtesy of BMW OF NORTH AMERICA, INC.

Disconnect plug connections (1, 2).

Unclip hose (3) and feed out air duct towards top.

Fig 2: Identifying Plug Connections And Hose

Courtesy of BMW OF NORTH AMERICA, INC.

Replacement

Modify all rubber seals (1) and sheet nuts (2) on air duct, replace if necessary.

Modify outside temperature sensor (3).

Optional extra:

Fig 3: Identifying Rubber Seals, Sheet Nuts And Outside Temperature Sensor

Courtesy of BMW OF NORTH AMERICA, INC.