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

WARNING: This page is about a different car, the 2002 BMW Z3 and 2001 BMW Z3. 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) .

Fig 1: Identifying Water Drain Plug

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

Drain and dispose of coolant.

Installation:

Replace seal.

Tightening torque, refer to 11 11 5AZ in 11 11 ENGINE BLOCK .

Release belt pulley.

Fig 2: View Of Belt Pulley Bolts

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Release water pump.

Fig 3: Locating Water Pump Bolts

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

Fig 4: Installing Screws (M 6) Into Threads Of Water Pump

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Installation:

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

Fig 5: Identifying Water Pump O-Ring

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