Performance Water Pump Kit for BMW X4 (2015-2016) 3.0L

$109.95

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High-Reliability Electric Water Pump & Thermostat Kit for 2015-2016 BMW X4 (F26)

What it Does: The Performance Water Pump Kit replaces the failure-prone factory electric water pump and map-controlled thermostat on the 2015-2016 BMW X4 to restore precise coolant flow and prevent catastrophic engine overheating.

The Stock BMW X4 Cooling System Failure Points

Factory cooling systems on the F26 chassis paired with the N55 3.0L engine rely entirely on an electronically controlled water pump and mapped thermostat. Over time, recurring thermal cycling degrades the factory pump's internal printed circuit board (PCB), causing solder joint cracking, motor driver failure, and sudden shutdown without advance mechanical warning. Concurrently, plastic thermostat housings warp and internal wax elements fail, leading to stuck-closed conditions, reduced flow rate, elevated oil temperatures, and forced limp-mode activation under load.

The Engineering Solution

This replacement kit pairs a heavy-duty electric water pump featuring reinforced solid-state electronics with an OE-spec map-controlled thermostat. Built to withstand sustained operating pressures and engine-bay heat soak, the brushless internal motor provides consistent coolant velocity across all engine loads. The integrated thermostat matches factory duty cycles through the engine control module to regulate coolant exchange swiftly. Direct-fit replacement hardware ensures factory torque specifications without housing distortion.

What's Included

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

Technical Specifications

Fitment	2015-2016 BMW X4
Engine / Chassis	N55 3.0L Turbo / F26
Stock Output	300 hp / 300 lb-ft
Replaces OEM Part #	11517632426, 11517586928, 11517586929, 11517563659, 11517588885, 11517602123, 11537549476, 11537544788, A2C53326031, A2C59514607, 11206043003

Compatibility

2015-2016 BMW X4 3.0L Gas Turbo (xDrive35i / M40i)

Frequently Asked Questions & Fitment Warnings

Does this fit the F26 X4?

Yes, this is a direct fit for the 2015-2016 BMW X4 equipped with the N55 3.0L turbocharged inline-six engine.

Why must I check my thermostat before installation?

Two distinct thermostat styles exist for these N55 applications; verify physical port alignment with your existing factory unit before final installation.

The BMW Precision Standard

Engineered for exacting European tolerances, this assembly maintains factory communication protocols across the vehicle's serial data bus to eliminate diagnostic error codes while preserving precise thermal regulation under aggressive driving conditions.