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Home >> BMW >> 2014 >> M6 2D Convertible, Standard Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 1128 (Engine - Repair (3 Of 3)) >> Engine Oil Cooler >> 11 44 000 Removing and Installing/Replacing Oil-To-Water Heat Exchanger (N55)

11 44 000 Removing and Installing/Replacing Oil-To-Water Heat Exchanger (N55)

WARNING: This page does not describe the selected car, but rather 21 other vehicles, including the 2017 BMW 550i GT xDrive, 2017 BMW 535i GT xDrive, 2017 BMW 535i GT, 2016 BMW 550i GT xDrive, and 2016 BMW 535i GT xDrive. However, it is still accessible from the selected car via links, so may be relevant.

Special Tools Required: 

WARNING: Risk of Scalding!
Only Perform This Repair Work On An Engine That Has Cooled Down.

Recycling 

Catch and Dispose of Drained Coolant.

Observe Country-Specific Waste Disposal Regulations.

IMPORTANT: Lifetime Coolant Filling: 
Never Reuse Used Coolant!
When Replacing and Removing Components Which Rely On The Corrosion Protection Effect of The Coolant, It Is Essential To Change The Coolant. The Cooling System Must Therefore Be Drained and Refilled.
In The Case of Other Removal Work Involving The Draining of Part Quantities of Coolant, Replace These Quantities Which Have Been Drained with New Coolant.

Installation Note: 

Observe COOLANT REQUIREMENTS AND MIXTURE RATIO .

Protective Measures/Rules of Conduct 

IMPORTANT: for Dirt Contamination of The Cooling System (E.G. By Engine Oil), The Cooling System Must Be Rinsed with Water Until All Dirt Contamination Is Removed!
IMPORTANT: Risk of Skidding Due To Coolant On The Floor.
Danger of Injury! 

Catch and Dispose of Drained Coolant In Drip Tray (1) and If Necessary Special Tool 00 2 030 (Universal Hydraulic Lifting Equipment).

Recycling 

Observe Country-Specific Waste Disposal Regulations.

Fig 1: Identifying Drip Tray and Special Tool (00 2 030)
G05476170Courtesy of BMW OF NORTH AMERICA, INC.

Necessary Preliminary Tasks: 

Draining Coolant 

Open Sealing Cap (1) On Coolant Expansion Tank.

Installation Note: 

Close The Sealing Cap (1) Until The Arrows Line Up.

Fig 2: Identifying Sealing Cap
G06889230Courtesy of BMW OF NORTH AMERICA, INC.

Unfasten and Detach Coolant Hose (1) From Thermostat Housing.

Drain, Catch and Dispose of Coolant.

Fig 3: Identifying Coolant Hose and Thermostat Housing
G09874990Courtesy of BMW OF NORTH AMERICA, INC.

Release Coolant Hose (1).

Unfasten Screws (2).

Tightening torque: 11 42 3AZ .

Installation Note: 

Replace All Gaskets.

Fig 4: Identifying Hose Clamp and Screws
G09874991Courtesy of BMW OF NORTH AMERICA, INC.

Adding Coolant 

Observe COOLANT REQUIREMENTS AND MIXTURE RATIO .

Observe FILLING CAPACITIES .

Fill and Vent COOLING SYSTEM .

Observe Bleeding Instructions Without Fail. 

Fig 5: Identifying Max Level
G06889232Courtesy of BMW OF NORTH AMERICA, INC.

Assemble Engine.

Installation Note: 

BLEEDING INSTRUCTION Must Be Observed Without Fail.

Fill COOLING SYSTEM .

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