11 51 000 Removing and Installing/Replacing Coolant Pump (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.

WARNING: Risk of Scalding!
Only Perform This Work After Engine Has Cooled Down.

IMPORTANT: If A Coolant Pump That Has Already Been Operated Is Reused, It Must Be Filled with Coolant After Removal.
Mixture Ratio, Water: Coolant = 1: 1
Protect Plug Connections Against Coolant and Contamination.

Recycling

Catch and Dispose of Drained Coolant In A Suitable Container.

Observe Country-Specific Waste Disposal Regulations.

Installation Note:

All Screws, Nuts, Bolts and Hose Clamps Removed During The Repair Must Be Replaced.
Retaining Elements On Chassis and Suspension and Steering Parts Must Be Replaced.

Necessary Preliminary Tasks:

Follow Diagnosis Instruction.
Remove ENGINE SPLASH GUARD .
Remove CHARGE AIR COOLER .

Disconnect Plug Connection (1).

Release Coolant Hose (2).

Installation Note:

Note Installation Hose Clamps.

Tightening torque 11 53 9AZ .

Fig 1: Identifying Plug Connection and Coolant Hose

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Release Coolant Hose (1).

Installation Note:

Note Installation Hose Clamps.

Tightening torque 11 53 5AZ .

Fig 2: Identifying Coolant Hose

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Follow Assembly Instructions

Installation Note:

Hose Clamps (1) Must Be Installed In The Center of The Marked Area (See Fig 3).

Fig 3: Identifying Hose Clamp

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Release Screws (1).

Tightening torque 11 51 2AZ .

Installation Note:

Replace Aluminum Screws.

Fig 4: Identifying Screws

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Unclip Cable (1) From Bracket.

Release Screw (2).

Tightening torque 11 51 2AZ .

Fig 5: Identifying Cable, Bracket, and Screw

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Installation Note:

If The Electric Coolant Pump Is Reused, It Must Be Rotated One Turn Due To The Breakaway Torque At The Impeller.

Assemble Engine.

Bleeding and Filling Instructions Must Be Observed Without Fail. See BLEEDING COOLING SYSTEM and VENTING/FILLING .