Keep coolant circulating and cylinder temperatures in check with the US Motor Works Engine Water Pump (US6680), an electric water pump that drops in as a direct-fit replacement across a range of BMW models with the L6-3.0L engine. It fits the 2006 325I, 325XI, 330I and 330XI; the 2006-2007 525I, 525XI, 530I and 530XI; the 2008-2013 128I; the 2007-2013 328I and 328I XDRIVE; plus the X3, X5 and Z4 — see the Buyer's Guide tab for the full list.
The pump moves coolant through the engine and radiator to carry heat away and hold a stable operating temperature. A worn or failing water pump can show up as coolant seepage, overheating, or a whining pump bearing — if the original pump is the cause, this unit replaces it.
- Electric operation: an electric water pump, per the manufacturer.
- Coolant circulation: circulates coolant through the cooling system to manage engine heat.
- Direct-fit application: installs on the listed BMW L6-3.0L vehicles; each listed application uses one pump.
Manufacturer part number US6680.
This part cross-references / interchanges with the following part numbers:
Frequently Asked Questions
What is the US Motor Works US6680?
It's an electric engine water pump that circulates coolant through the engine and radiator to help manage operating temperature, offered as a direct-fit replacement for the listed BMW L6-3.0L applications.
Which vehicles does it fit?
BMW models with the L6-3.0L engine, including the 2006 325I/330I, 2006-2007 525I/530I, 2008-2013 128I, 2007-2013 328I, and the X3, X5 and Z4. Check the Buyer's Guide tab for the full list.
Is this an electric water pump?
Yes. The manufacturer lists this pump as electric.
How many water pumps do I need?
Each listed application uses one water pump.
What are signs my water pump may need replacing?
Common signs include coolant seepage, overheating, or a whining pump bearing. Diagnose the cause before replacing, since these symptoms can have other sources.
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