17 11 150 Removing and installing/replacing engine oil cooler (N54)

WARNING: This page is about a different car, the 2010 BMW 135i, 2009 BMW 135i, and 2008 BMW 135i. However, it is still accessible from the selected car via links, so may be relevant.

Necessary preliminary tasks:

Remove right wheel arch cover front section . See 51 71 039 REMOVING AND INSTALLING/REPLACING FRONT LEFT OR RIGHT WHEEL ARCH COVER (REAR SECTION) (CONVERTIBLE) or 51 71 039 REMOVING AND INSTALLING/REPLACING FRONT LEFT OR RIGHT WHEEL ARCH COVER (REAR SECTION) (COUPE) .

WARNING: Danger of scalding!
Only perform this work after engine has cooled down.

IMPORTANT: Wear protective goggles and gloves.

Recycling:

Engine oil escapes when oil lines are released. Catch and dispose of emerging engine oil.

Observe country-specific waste-disposal regulations.

Release screw.

Tightening torque 17 21 2AZ, see 17 21 ENGINE OIL COOLER .

Detach oil line (1) from engine oil cooler flange.

Catch and dispose of emerging fluid.

Fig 1: Identifying Oil Line

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Replace sealing rings.

Fig 2: Identifying Sealing Rings

Courtesy of BMW OF NORTH AMERICA, INC.

Unfasten screws.

Unscrew nuts (1).

Tightening torque 17 21 3AZ, see 17 21 ENGINE OIL COOLER .

Release screw (2).

Tightening torque 17 21 4AZ, see 17 21 ENGINE OIL COOLER .

Feed out engine oil cooler (3) and remove.

Fig 3: Identifying Engine Oil Cooler And Screw With Nuts

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: After completing work, check engine oil level and top up if necessary.