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

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

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

Courtesy of BMW OF NORTH AMERICA, INC.

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

Fig 3: Identifying Coolant Hose

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

Courtesy of BMW OF NORTH AMERICA, INC.

Assemble engine.

Check cooling system for leaks.