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

WARNING: This page is about a different car, the 2003 BMW 530i, 2002 BMW 530i, and 2001 BMW 530i. However, it is still accessible from the selected car via links, so may be relevant.

Remove alternator drive belt, refer to 11 28 010 REPLACING ALTERNATOR DRIVE BELT (M52/S52/M52TU/M54/M56) .

NOTE: M52TU/M54/M56 Water drain plug is located on exhaust side on cylinder 2 in engine block.

Fig 1: Locating Water Drain Plug

Courtesy of BMW OF NORTH AMERICA, INC.

Drain and dispose of coolant.

Installation:

Replace seal.

Tightening torque, refer to 11 11 5AZ in ENGINE MECHANICAL - TIGHTENING TORQUES - 530I (E39) .

Vent cooling system and check for leaks, refer to 17 00 039 BLEEDING COOLING SYSTEM AND CHECKING FOR WATER LEAKS .

Release belt pulley.

Fig 2: Removing Water Pump Belt Pulley

Courtesy of BMW OF NORTH AMERICA, INC.

Release water pump.

Fig 3: Removing Water Pump Bolts

Courtesy of BMW OF NORTH AMERICA, INC.

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

Fig 4: Using Screws To Remove Water Pump

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

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

Fig 5: Replacing Water Pump O-Ring

Courtesy of BMW OF NORTH AMERICA, INC.