64 12 ... Replacing burner insert for independent heater

WARNING: This page does not describe the selected car, but rather 12 other vehicles, including the 2010 BMW M6, 2010 BMW 650i, 2009 BMW M6, 2009 BMW 650i, and 2008 BMW M6. However, it is still accessible from the selected car via links, so may be relevant.

WARNING:

Scalding hazard!

Carry out following tasks after engine and independent heater have cooled down.

IMPORTANT:

The burner insert may only be replaced after the 24-month warranty period has elapsed.

The entire independent heater must be replaced during the warranty period

Necessary preliminary tasks:

Remove complete independent/auxiliary heater.

Release screws (1) and remove bracket (2) from heater. Tightening torque, see 64 12 2AZ in 12 AUXIL. HEATER WITH CONTROL ELEMENTS .

Fig 1: Release Screws (1) And Remove Bracket (2) From Heater

G00497453

Courtesy of BMW OF NORTH AMERICA, INC.

Release hose clamp (1) on hose for circulating pump and disconnect hose. Release hose clamp (2) on intake filter hose and disconnect hose.

Installation: Check all water hoses for damage, replace if necessary.

Fig 2: Release Hose Clamp (1) On Hose For Circulating Pump

G00497454

Courtesy of BMW OF NORTH AMERICA, INC.

Carefully lift cover (1) off heater.

Fig 3: Carefully Lift Cover (1) Off Heater

G00497455

Courtesy of BMW OF NORTH AMERICA, INC.

Disconnect plug connection (1).

Fig 4: Disconnect Plug Connection (1)

G00497456

Courtesy of BMW OF NORTH AMERICA, INC.

Disconnect plug connection (1).

Fig 5: Disconnect Plug Connection (1)

G00497457

Courtesy of BMW OF NORTH AMERICA, INC.

Release screws (1). Tightening torque, see 64 12 3AZ in 12 AUXIL. HEATER WITH CONTROL ELEMENTS . Replace all screws. Carefully lift out combustion air blower unit (2).

Fig 6: Carefully Lift Out Combustion Air Blower Unit (2)

G00497458

Courtesy of BMW OF NORTH AMERICA, INC.

Release screws (1) and pull out burner insert (3) with grommet (2). Replace all screws. Tightening torque, see 64 12 4AZ in 12 AUXIL. HEATER WITH CONTROL ELEMENTS .

Installation: Make sure grommet (2) is in correct installation position.

Fig 7: Ensure Grommet (2) Is In Correct Installation Position

G00497459

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Replace seals (1, 2) and clean sealing surfaces thoroughly.
If necessary, remove soot deposits.
To prevent the fuel pipe on the burner element being damaged, coat seal (2) with spirit when fitting housing.

Fig 8: Replace Seals (1, 2) And Clean Sealing Surfaces

G00497460

Courtesy of BMW OF NORTH AMERICA, INC.

After installation: Fill and vent cooling system and check for leaks