17...... Removing and installing/replacing coolant pipe on cylinder head cover on left (N63)

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WARNING: Danger of scalding!

Only perform these tasks on an engine that has cooled down.

Recycling:

Catch and dispose of drained coolant.

Observe country-specific waste-disposal regulations.

Necessary preliminary tasks:

Remove air filter housing on left . See 13 71 030 REMOVING AND INSTALLING/REPLACING BOTH INTAKE FILTER HOUSINGS (N63) .
Remove left intercooler . See 17 51 001 REMOVING AND INSTALLING/REPLACING LEFT INTERCOOLER (N63) or 17 51 001 REMOVING AND INSTALLING/REPLACING RIGHT INTERCOOLER (N63) .
Drain coolant . See 17 00 008 DRAINING AND ADDING COOLANT IN RADIATOR (N62TU, N63) .

Unlock coolant hose (1) and detach from coolant pipe.

Fig 1: Identifying Coolant Hose

G06178364

Courtesy of BMW OF NORTH AMERICA, INC.

Release screws (1).

Tightening torque 17 10 3AZ, see 17 10 COOLANT

Unclip coolant pipe (2) from holder (3).

Fig 2: Unclipping Coolant Pipe From Holder

G06178753

Courtesy of BMW OF NORTH AMERICA, INC.

Unlock coolant hose (1) on coolant pump and detach.

Fig 3: Identifying Coolant Hose

G06178754

Courtesy of BMW OF NORTH AMERICA, INC.

Pull off lug (1) on coolant pipe from crankcase.

Feed out coolant pipe (2) and remove.

Fig 4: Identifying Coolant Pipe And Lug

G06178755

Courtesy of BMW OF NORTH AMERICA, INC.

Assemble engine.

Check cooling system for leaks.