Remove oil-to-water heat exchanger

WARNING: This page is about a different car, the 2022 BMW X7, 2021 BMW X7, 2020 BMW X7, and 2019 BMW X7. However, it is still accessible from the selected car via links, so may be relevant.

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 OIL FILLER CAP .
Refer to REMOVING THE OIL FILTER ELEMENT .
Refer to REMOVING INTAKE SILENCER HOUSING .
Refer to OPENING THE SERVICE FLAP IN THE THRUST FIELD .
Refer to RELEASING THE OIL DRAIN PLUG .
Refer to TIGHTENING THE OIL DRAIN PLUG .
Refer to CLOSING THE SERVICE FLAP IN THE THRUST FIELD .
Refer to REMOVING THE FRONT UNDERBODY PROTECTION .
Refer to REMOVING REAR UNDERBODY PROTECTION .
Refer to REMOVING THE STIFFENING PLATE .
Refer to REMOVING THE FRONT RIGHT LOWER WHEEL ARCH COVER .
Refer to DRAINING THE COOLANT FROM THE HIGH-TEMPERATURE COOLING SYSTEM .
Refer to CONNECTING THE COOLANT LINE TO THE HIGH-TEMPERATURE COOLANT RADIATOR .

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 From Full-Flow Oil Filter Screws Loosening Sequence

Courtesy of BMW OF NORTH AMERICA, INC.