11 51 000 Removing and installing complete water pump (M52 / S52 / M52TU / M54 / M56)

WARNING: This page is about a different car, the 2005 BMW 530i, 2005 BMW 525i, 2004 BMW 530i, and 2004 BMW 525i. However, it is still accessible from the selected car via links, so may be relevant.

Remove alternator Drive Belt .

NOTE: M52 / S52
Water drain plug is located on exhaust side between cylinders 4 and 5 in engine block (illustration).
M52TU / M54 / M56
Water drain plug is located on exhaust side on cylinder 2 in engine block.

Fig 1: Locating Water Drain Plug

G03260789

Courtesy of BMW OF NORTH AMERICA, INC.

Drain and dispose of coolant.

Installation:

Replace seal.

Tightening torque, see 11 11 5AZ in ENGINE - TIGHTENING TORQUES .

Vent cooling system and check for leaks.

Release belt pulley.

Fig 2: Releasing Belt Pulley

G03260790

Courtesy of BMW OF NORTH AMERICA, INC.

Release water pump.

Fig 3: Releasing Water Pump

G03260791

Courtesy of BMW OF NORTH AMERICA, INC.

Tighten two screws (M 6) into thread of water pump and water pump out of timing case.

Fig 4: Tightening Two Screws (M 6) Into Thread Of Water Pump

G03260792

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Replace O-ring and coat with coolant as anti-friction agent.

Fig 5: Replacing O-Ring

G03260793

Courtesy of BMW OF NORTH AMERICA, INC.