11 44 000 Removing and installing/replacing oil-to-water heat exchanger (B48, B46)

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2019 MINI Cooper, 2018 MINI Cooper, 2017 MINI Cooper, 2016 MINI Cooper, and 2015 MINI Cooper. However, it is still accessible from the selected car via links, so may be relevant.

Risk of scalding !

Only perform this repair work after the engine has cooled down.

Recycling:

Catch and dispose of drained coolant.

Observe country-specific waste disposal regulations.

Necessary preliminary tasks:

Remove FULL-FLOW OIL FILTER .

Removal:

Release screws (1).

Remove heat exchanger.

Fig 1: Heat Exchanger Screws

Courtesy of BMW OF NORTH AMERICA, INC.

Replace gaskets (3) on full-flow oil filter (2).

Fig 2: Full-Flow Oil Filter And Gaskets

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Installation note:

All sealing surfaces and gaskets must be cleaned and free of oil.

Replace gaskets (3).

Place oil-to-water heat exchanger (1) on full-flow oil filter (2).

Fig 3: Full-Flow Oil Filter And Gaskets

Courtesy of BMW OF NORTH AMERICA, INC.

Tighten down screws (1).

Tightening torque: 11 42 9AZ .

Fig 4: Heat Exchanger Screws

Courtesy of BMW OF NORTH AMERICA, INC.