64 12 160 Removing and installing or replacing complete independent heater with bracket

Special tools required: 

• 13 3 010

Recycling 

Fuel escapes when fuel lines are detached. Have a suitable collecting vessel ready.

Catch and dispose of escaping fuel.

Observe country-specific waste disposal regulations.

Necessary preliminary tasks: 

• Remove left UNDERBODY PANELLING

Disconnect plug connection (1).

Release hose clamp (2) and detach fuel line.

Release screw (3).

Tightening torque: 64 12 2AZ .

Fig 1: Identifying Fuel Line Hose Clamp With Screw

Courtesy of BMW OF NORTH AMERICA, INC.

Disconnect coolant hoses (1) with special tool 13 3 010 .

Release hose clamps (2) and detach coolant hoses (1).

Release nuts (4) and unclamp associated hoses from holder (5).

Remove heater (3) and set down on a suitable surface.

Fig 2: Identifying Coolant Hoses, Hose Clamps And Nuts

Courtesy of BMW OF NORTH AMERICA, INC.

Release hose clamp (1) and remove complete heater (2) with bracket.

Fig 3: Identifying Heater With Bracket And Hose Clamp

Courtesy of BMW OF NORTH AMERICA, INC.

Replacement: 

Modify SILENCER .

Release hose clamp (1) and detach coolant hose.

Release screw (2).

Tightening torque: 64 12 3AZ .

Disconnect plug connection (3) and remove auxiliary water pump (4).

Installation note: 

Check coolant hoses for damage and replace if necessary.

Fig 4: Identifying Auxiliary Water Pump Plug Connection, Hose Clamp, Screw

Courtesy of BMW OF NORTH AMERICA, INC.

Release screws (1) and remove heater from bracket (2).

Tightening torque: 64 12 4AZ .

Fig 5: Identifying Heater From Bracket With Screws

Courtesy of BMW OF NORTH AMERICA, INC.

Replacement: 

Until 09/2012, replace for diesel engines duplicate type label (1).

Fig 6: Identifying Diesel Engine Label

Courtesy of BMW OF NORTH AMERICA, INC.

After installation: 

• Vent cooling system. See 17 00 039 VENTING COOLING SYSTEM AND CHECKING FOR WATER LEAKS (M57TU, M57T2) or 17 00 039 VENTING COOLING SYSTEM AND CHECKING FOR WATER LEAKS (N63) .