Remove oil-to-water heat exchanger

WARNING: Hot fluids.
Risk of scalding!

Conduct all work in the vehicle wearing appropriate personal protective equipment only.

WARNING: Hot surfaces.
Risk of burning!

Perform all work only on components that have cooled down.

NOTE: TECHNICAL INFORMATION
Collect and dispose of emerging fluids. Observe country-specific waste disposal regulations.

Preliminary work

Refer to REMOVING THE ACOUSTIC COVER .
Refer to REMOVING THE COVER ON LEFT AND RIGHT IN THE ENGINE COMPARTMENT AT THE TOP .
Refer to REMOVING BOTH FRONT-END STRUTS .
Refer to REMOVING FRONT CROSS CONNECTION .
Refer to REMOVING THE REAR TOP CROSS CONNECTION .
Refer to REMOVING THE FAN COWL .
Refer to REMOVING THE OIL FILLER CAP .
Refer to REMOVING THE OIL FILTER ELEMENT .
Refer to REMOVING THE FRONT UNDERBODY PROTECTION OR FRONT THRUST FIELD .
Refer to REMOVING THE UNDERBODY PROTECTION OF THE STEERING GEAR AND THRUST FIELD RESPECTIVELY .
Refer to REMOVING THE STIFFENING PLATE .
Refer to DRAINING THE COOLANT FROM THE HIGH-TEMPERATURE COOLING SYSTEM .
Refer to DRAINING THE COOLANT FROM THE LOW-TEMPERATURE COOLING SYSTEM .
Refer to RELEASING THE OIL DRAINING PLUG .
Refer to TIGHTENING THE OIL DRAINING PLUG .

Oil-to-water heat exchanger

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: TECHNICAL INFORMATION
Collect and dispose of emerging fluids. Observe country-specific waste disposal regulations.

NOTE: TECHNICAL INFORMATION
Make sure that there are no particles or impurities in the medium openings. Coolant or foreign substances in the oil can cause engine damage such as damage to the connecting rod bearing.

Release the screws in the order (6) to (1).

NOTE: Release the bolts in 360 degree steps.

Feed out and remove the oil coolant heat exchanger (A) from the full-flow oil filter.
Collect and dispose of emerging fluids.

Fig 1: Oil Coolant Heat Exchanger Screws Loosening Sequence
Courtesy of BMW OF NORTH AMERICA, INC.