51 71 100 Replacing all cooling air routings for radiator

WARNING: This page does not describe the selected car, but rather 33 other vehicles, including the 2018 BMW M6, 2018 BMW 650i xDrive, 2018 BMW 650i, 2018 BMW 640i xDrive, and 2018 BMW 640i. However, it is still accessible from the selected car via links, so may be relevant.

Necessary preliminary work:

Remove support for front bumper panel. See 51 11 050 REMOVING AND INSTALLING/REPLACING SUPPORT FOR FRONT BUMPER PANEL .
Remove bottom support for front bumper panel. See 51 11 055 REMOVING AND INSTALLING/REPLACING SUPPORT FOR FRONT BOTTOM BUMPER PANEL .

Not in the case of 12-cylinder models:

Undo screw connection (1) on V-braces (2).

Tightening torque 51 61 6AZ .

Fig 1: Identifying Screw Connection On V-Braces

G10046071

Courtesy of BMW OF NORTH AMERICA, INC.

Only in the case of 12-cylinder models:

Undo screw connection (2) on V-braces.

Tightening torque 51 61 6AZ .

Fig 2: Identifying Screw Connection On V-Braces

G10046072

Courtesy of BMW OF NORTH AMERICA, INC.

Undo bolt (1) on V-brace (3) on left or right.

Tightening torque 51 11 7AZ .

Maneuver out V-support (3) upwards.

Unclip hose pipe (2) for headlight cleaning system at marked points and set down safely.

Installation note:

Hose pipe (2) for headlight washer system high-pressure nozzle (right) must be correctly clipped into place at marked points.

Fig 3: Locating Hose Pipe

G10046073

Courtesy of BMW OF NORTH AMERICA, INC.

Release screws (2) on brake air duct (1).

Remove brake air duct (1) in direction of arrow.

NOTE: Carry out work on the right side in the same way as for the left side illustrated here.

Fig 4: Removing Screws On Brake Air Duct

G10046074

Courtesy of BMW OF NORTH AMERICA, INC.

Release screws (1) on cross-member (2).

Tightening torque 51 11 2AZ .

Fig 5: Identifying Screws On Cross-Member

G10046075

Courtesy of BMW OF NORTH AMERICA, INC.

Release screws (1) on vertical connection (2).

Remove vertical connection (2).

Tightening torque 51 11 2AZ .

Fig 6: Identifying Vertical Connection Screws

G10046076

Courtesy of BMW OF NORTH AMERICA, INC.

Unlock plug connection (1) and disconnect.

Unfasten screws (2).

Feed out cooling air routing (3).

Fig 7: Identifying Plug Connection And Screws

G10046077

Courtesy of BMW OF NORTH AMERICA, INC.

Installation note:

Make sure air intake duct (1) is correctly fitted on cooling air routing (2)

Fig 8: Identifying Air Intake Duct And Cooling Air Routing

G10046078

Courtesy of BMW OF NORTH AMERICA, INC.