17 13 030 Removing And Installing/Replacing Coolant Filler Neck (N53, N63 B40/B44 O 0/1, N74)

WARNING: This page does not describe the selected car, but rather 50 other vehicles, including the 2016 BMW M5, 2016 BMW ActiveHybrid 5, 2016 BMW 550i xDrive, 2016 BMW 550i, and 2016 BMW 535i xDrive. However, it is still accessible from the selected car via links, so may be relevant.

Necessary preliminary tasks:

Drain COOLANT .
Remove ACOUSTIC INSULATION for bulkhead on left.
Remove front left WHEEL ARCH COVER .

Release screws (1).

Fig 1: Screws Of Coolant Filler Neck

Courtesy of BMW OF NORTH AMERICA, INC.

Unlock and detach coolant hoses (1) on coolant filler neck.

Fig 2: Coolant Hoses

Courtesy of BMW OF NORTH AMERICA, INC.

Unlock and detach coolant hoses (1) on coolant filler neck.

Weave out and remove coolant filler neck.

Fig 3: Coolant Hoses On Coolant Filler Neck

Courtesy of BMW OF NORTH AMERICA, INC.

Assemble engine.

Top up COOLANT .

Visual inspection of cooling system for tightness.