Performance Water Pump Kit for BMW 1 Series (2008-2013) 3.0L

$109.95

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Heavy-Duty Electric Water Pump & Thermostat Kit for 2008-2013 BMW 1 Series (E82/E88)

What it Does: The Performance Water Pump Kit replaces the failure-prone factory electric water pump and map-controlled thermostat on 2008-2013 BMW 1 Series vehicles to restore precision coolant circulation and protect forced-induction engines from catastrophic thermal runaway.

The Stock BMW 1 Series Cooling System Failure Point

Factory electric coolant pumps on BMW N54 and N55 engines suffer from notorious electronic and mechanical fatigue, often failing between 60,000 and 80,000 miles. The primary failure vector is internal motor driver PCB solder cracking caused by continuous heat soak, which severs Bit-Serial Device (BSD) communication with the DME. Secondary failures include composite impeller cracking and motor drive burnout. When the pump stalls, coolant stops circulating instantly, inducing cylinder head thermal stress and forced limp-mode operation. Concurrently, the OEM thermostat composite housing warps, leading to external fluid loss and stuck-closed conditions.

The Engineering Solution

This replacement assembly mitigates high-heat failure modes through reinforced motor circuit potting and an updated resin composite impeller designed to resist cavitation and thermal stress. The integrated electric motor responds instantaneously to DME duty cycles, ensuring exact volumetric flow across the engine block and turbocharger bearing housings. Paired with a direct-fit map-controlled thermostat featuring a high-temperature elastomeric seal, this system manages coolant flow dynamically under full boost, preventing heat soak and maintaining consistent combustion chamber temperatures.

What's Included

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

Technical Specifications

Fitment	2008-2013 BMW 1 Series
Engine / Chassis	N54, N55 3.0L Turbo / E82, E88
Stock Output	300-335 hp / 300-332 lb-ft
Replaces OEM Part #	11517632426, 11517586928, 11517586929, 11517563659, 11517588885, 11517602123, 11537549476, 11537544788, A2C53326031, A2C59514607, 11206043003

Compatibility

2008-2013 BMW 135i (3.0L Gas Turbo)
2011 BMW 1 Series M (3.0L Gas Turbo)

Frequently Asked Questions & Fitment Warnings

Does this fit the E82/E88 1 Series?

Yes, this is a direct fit for the 2008-2013 BMW 1 Series equipped with the N54 and N55 3.0L turbo inline-six. Does not fit naturally aspirated 128i (N51/N52) models; note that two thermostat connector styles exist, so verify your existing unit prior to installation.

Do I need to bleed the cooling system after installing this pump?

Yes, you must perform the automated BMW 12-minute electric water pump bleed procedure using the accelerator pedal sequence before starting the engine.

The BMW Calibration Caliber

Maintains factory CAN-bus communication protocols without check-engine lights, ensuring reliable heat exchange under aggressive street driving and track conditions.