Performance Water Pump Kit for BMW Z4 (2009-2016) 3.0L

$109.95

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High-Reliability Electric Water Pump and Thermostat Kit for 2009-2016 BMW Z4 (E89)

What it Does: The Performance Water Pump Kit replaces the failure-prone factory electric water pump and map-controlled thermostat on 2009-2016 BMW Z4 models to maintain precise engine operating temperatures and prevent catastrophic thermal overheating.

The Stock BMW Z4 Cooling System Failure Points

The factory cooling assembly on the E89 platform utilizes an internal plastic impeller and an integrated electronic control circuit board inside the pump housing. Under continuous thermal cycling and vibration inside the cramped turbocharged engine bay, the OEM composite plastic impellers bind, crack, or shear off the shaft. Simultaneously, high heat degrades the internal solder joints of the factory electronics, triggering sudden communication loss over the BSD (Bit Serial Device) bus. Paired with a wax-element map-controlled thermostat prone to sticking, this failure mode causes sudden loss of coolant circulation, limp mode activation, and rapid head gasket or cylinder head warping on the N54 twin-turbo and N55 twin-scroll powerplants.

The Engineering Solution

This replacement cooling kit pairs a reinforced, brushless electric water pump with an OE-calibrated, map-controlled thermostat designed to withstand severe duty cycles. Featuring an upgraded internal motor drive, robust electrical sealing, and a thermal-resistant composite impeller, the pump delivers consistent volumetric flow across the entire RPM range regardless of engine speed. The electronically managed thermostat features rapid-response heating elements to modulate block temperatures instantly between economic cruise and high-load boost cycles. Supplied with single-use aluminum mounting hardware to ensure correct torque specs and prevent galvanic corrosion against the magnesium-aluminum engine block.

What's Included

1 Electric Engine Water Pump
1 Electric Engine Coolant Thermostat
3 Mounting Bolts

Technical Specifications

Fitment	2009-2016 BMW Z4
Engine / Chassis	N54B30 / N55B30 / E89
Stock Output	300-335 hp / 300-332 lb-ft
Replaces OEM Part #	11517632426, 11517586928, 11517586929, 11517563659, 11517588885, 11517602123, 11537549476, 11537544788, A2C53326031, A2C59514607, 11206043003

Compatibility

2009-2016 BMW Z4 sDrive35i (3.0L Turbo Inline-6 Gas)
2011-2016 BMW Z4 sDrive35is (3.0L Turbo Inline-6 Gas)

Frequently Asked Questions & Fitment Warnings

Does this fit the E89 Z4?

Yes, this is a direct fit for the 2009-2016 BMW Z4 equipped with the 3.0L Gas Turbo engine. Note: Two thermostat styles exist on these engines; compare your original thermostat port design before ordering.

Do I need to perform a specific bleeding procedure after installation?

Yes, you must run the automated BMW electric water pump purge cycle via the accelerator pedal sequence to eliminate trapped air pockets before starting the engine.

The BMW Precision Standard

Engineered to meet stringent European tolerances, this cooling package ensures reliable communication over the vehicle CAN/BSD data bus to eliminate fault codes and deliver track-ready thermal stability.