MiMi Auto Parts
WATER PUMP ELECTRIC 4PIN SQUARE PLUG, Cooltec

WATER PUMP ELECTRIC 4PIN SQUARE PLUG

Brand: Cooltec

SKU: 405920

Category: COOLING, WATER PUMP ELECTRIC

R9 660,00 incl. 15% VAT

✓ In stock, ships nationwide via The Courier Guy

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Fitment: Fits selected BMW models. Confirm exact fitment before ordering.

Product Description

This Cooltec electric water pump with a 4-pin square plug is designed for the cooling systems of select BMW models. It plays a crucial role in maintaining optimal engine temperatures by circulating coolant efficiently, ensuring your engine operates within the correct temperature range, especially under demanding conditions.

This part is compatible with various BMW models, including the F20, F30, F10, F11, X1, X3, X4, X5, and Z4, typically those equipped with the N20 engine from 125i up to 40e variants. Always confirm your BMW’s model, year, engine size, and engine code before ordering to ensure the correct fit.

A failing electric water pump can lead to issues such as engine overheating, coolant leaks, unusual noises from the pump area, or erratic temperature gauge readings. You may also notice reduced heater performance or warning lights on your dashboard related to the cooling system.

If you experience any of these symptoms, inspect your water pump and replace it if necessary to prevent further engine damage. Timely replacement is essential to maintain reliable cooling performance and avoid costly repairs.

Order your Cooltec electric water pump from MiMi Auto Parts for peace of mind and reliable service. We offer nationwide delivery within South Africa and expert support to help you find the right part for your BMW.

Common signs this part may need replacement

  • Engine overheating
  • Coolant leaks near the pump
  • Unusual whining or grinding noises from the pump area
  • Erratic or fluctuating temperature gauge readings
  • Reduced heater performance
  • Warning lights for engine temperature or cooling system
  • Coolant circulation fault codes
  • Frequent need to top up coolant

Typical replacement guidance

Replace the electric water pump if you notice symptoms such as overheating, leaks, or unusual noises, or as part of routine maintenance at the manufacturer’s recommended interval. Early replacement helps prevent engine damage and ensures efficient cooling.

Why timely replacement matters

A faulty water pump can quickly lead to engine overheating and potential engine failure. Timely replacement protects your engine and helps maintain dependable vehicle performance.

Vehicle Compatibility

This part is confirmed to fit the following vehicles:

  • BMW 1 (F20) 2011 – 2019 125 i (N20 B20 A) – 160 kW / 218 HP Engine Code N20 B20 A Operating Mode Electric Voltage [V] 12,5 Diameter 1 [mm] 40 Diameter 2 [mm] 40 Water pump impeller material Plastic Signal type LIN
  • BMW 1 (F21) 2011 – 2026 125 i (N20 B20 A) – 160 kW / 218 HP Engine Code N20 B20 A Operating Mode Electric Voltage [V] 12,5 Diameter 1 [mm] 40 Diameter 2 [mm] 40 Water pump impeller material Plastic Signal type LIN
  • BMW 2 Convertible (F23) 2014 – 2026 228 i (N20 B20 A) – 180 kW / 245 HP Engine Code N20 B20 A Operating Mode Electric Voltage [V] 12,5 Diameter 1 [mm] 40 Diameter 2 [mm] 40 Water pump impeller material Plastic Signal type LIN
  • BMW 2 Coupe (F22, F87) 2012 – 2026 228 i (N20 B20 A|N26 B20 A) – 180 kW / 245 HP Engine Code N26 B20 A Block Separation Engine Code N20 B20 A Operating Mode Electric Voltage [V] 12,5 Diameter 1 [mm] 40 Diameter 2 [mm] 40 Water pump impeller material Plastic Signal type LIN
  • BMW 3 (F30, F80) 2011 – 2018 328 i (N20 B20 A|N26 B20 A) – 180 kW / 245 HP Engine Code N26 B20 A Block Separation Engine Code N20 B20 A Operating Mode Electric Voltage [V] 12,5 Diameter 1 [mm] 40 Diameter 2 [mm] 40 Water pump impeller material Plastic Signal type LIN
  • BMW 3 (F30, F80) 2011 – 2018 328 i xDrive (N20 B20 A|N26 B20 A) – 180 kW / 245 HP Engine Code N26 B20 A Block Separation Engine Code N20 B20 A Operating Mode Electric Voltage [V] 12,5 Diameter 1 [mm] 40 Diameter 2 [mm] 40 Water pump impeller material Plastic Signal type LIN
  • BMW 3 Gran Turismo (F34) 2012 – 2026 328 i (N20 B20 A|N26 B20 A) – 180 kW / 245 HP Engine Code N26 B20 A Block Separation Engine Code N20 B20 A Operating Mode Electric Voltage [V] 12,5 Diameter 1 [mm] 40 Diameter 2 [mm] 40 Water pump impeller material Plastic Signal type LIN
  • BMW 3 Touring (F31) 2012 – 2019 328 i (N20 B20 A|N26 B20 A) – 180 kW / 245 HP Engine Code N26 B20 A Block Separation Engine Code N20 B20 A Operating Mode Electric Voltage [V] 12,5 Diameter 1 [mm] 40 Diameter 2 [mm] 40 Water pump impeller material Plastic Signal type LIN
  • BMW 3 Touring (F31) 2012 – 2019 328 i xDrive (N20 B20 A|N26 B20 A) – 180 kW / 245 HP Engine Code N26 B20 A Block Separation Engine Code N20 B20 A Operating Mode Electric Voltage [V] 12,5 Diameter 1 [mm] 40 Diameter 2 [mm] 40 Water pump impeller material Plastic Signal type LIN
  • BMW 4 Convertible (F33, F83) 2013 – 2026 428 i (N20 B20 A|N26 B20 A) – 180 kW / 245 HP Engine Code N26 B20 A Block Separation Engine Code N20 B20 A Operating Mode Electric Voltage [V] 12,5 Diameter 1 [mm] 40 Diameter 2 [mm] 40 Water pump impeller material Plastic Signal type LIN
  • BMW 4 Coupe (F32, F82) 2013 – 2026 428 i (N20 B20 A|N26 B20 A) – 180 kW / 245 HP Engine Code N26 B20 A Block Separation Engine Code N20 B20 A Operating Mode Electric Voltage [V] 12,5 Diameter 1 [mm] 40 Diameter 2 [mm] 40 Water pump impeller material Plastic Signal type LIN
  • BMW 4 Gran Coupe (F36) 2014 – 2026 428 i (N20 B20 A|N26 B20 A) – 180 kW / 245 HP Engine Code N26 B20 A Block Separation Engine Code N20 B20 A Operating Mode Electric Voltage [V] 12,5 Diameter 1 [mm] 40 Diameter 2 [mm] 40 Water pump impeller material Plastic Signal type LIN
  • BMW 5 (F10) 2009 – 2016 528 i (N20 B20 A) – 180 kW / 245 HP Engine Code N20 B20 A Operating Mode Electric Voltage [V] 12,5 Diameter 1 [mm] 40 Diameter 2 [mm] 40 Water pump impeller material Plastic Signal type LIN
  • BMW 5 Gran Turismo (F07) 2009 – 2017 528 i (N20 B20 A) – 180 kW / 245 HP Engine Code N20 B20 A Operating Mode Electric Voltage [V] 12,5 Diameter 1 [mm] 40 Diameter 2 [mm] 40 Water pump impeller material Plastic Signal type LIN
  • BMW 5 Touring (F11) 2009 – 2017 528 i (N20 B20 A) – 180 kW / 245 HP Engine Code N20 B20 A Operating Mode Electric Voltage [V] 12,5 Diameter 1 [mm] 40 Diameter 2 [mm] 40 Water pump impeller material Plastic Signal type LIN
  • BMW X1 (E84) 2009 – 2015 sDrive 20 i (N20 B20 A) – 135 kW / 184 HP Engine Code N20 B20 A Operating Mode Electric Voltage [V] 12,5 Diameter 1 [mm] 40 Diameter 2 [mm] 40 Water pump impeller material Plastic Signal type LIN
  • BMW X1 (E84) 2009 – 2015 xDrive 20 i (N20 B20 A) – 135 kW / 184 HP Engine Code N20 B20 A Operating Mode Electric Voltage [V] 12,5 Diameter 1 [mm] 40 Diameter 2 [mm] 40 Water pump impeller material Plastic Signal type LIN
  • BMW X1 (E84) 2009 – 2015 xDrive 28 i (N20 B20 A) – 180 kW / 245 HP Engine Code N20 B20 A Operating Mode Electric Voltage [V] 12,5 Diameter 1 [mm] 40 Diameter 2 [mm] 40 Water pump impeller material Plastic Signal type LIN
  • BMW X3 (F25) 2010 – 2017 xDrive 28 i (N20 B20 A) – 180 kW / 245 HP Engine Code N20 B20 A Operating Mode Electric Voltage [V] 12,5 Diameter 1 [mm] 40 Diameter 2 [mm] 40 Water pump impeller material Plastic Signal type LIN
  • BMW X4 (F26) 2014 – 2018 xDrive 28 i (N20 B20 A) – 180 kW / 245 HP Engine Code N20 B20 A Operating Mode Electric Voltage [V] 12,5 Diameter 1 [mm] 40 Diameter 2 [mm] 40 Water pump impeller material Plastic Signal type LIN
  • BMW X5 (F15, F85) 2013 – 2018 xDrive 40e (N20 B20 A) – 230 kW / 313 HP Engine Code N20 B20 A Operating Mode Electric Voltage [V] 12,5 Diameter 1 [mm] 40 Diameter 2 [mm] 40 Water pump impeller material Plastic Signal type LIN
  • BMW Z4 Roadster (E89) 2009 – 2016 sDrive 28 i (N20 B20 A) – 180 kW / 245 HP Engine Code N20 B20 A Operating Mode Electric Voltage [V] 12,5 Diameter 1 [mm] 40 Diameter 2 [mm] 40 Water pump impeller material Plastic Signal type LIN

Fitment support

Not sure if this part fits your vehicle? Contact MiMi Auto Parts with your vehicle make, model, year, and engine code before ordering and we will help confirm fitment.

Installation note

Cooling system work involves draining and refilling coolant and may require specialised tools. Professional installation is recommended to ensure correct coolant mixture, bleeding of air from the system, and leak-free connections.

Frequently Asked Questions

What are the signs of a failing water pump?

Common signs may include coolant leaks near the front of the engine, engine overheating, a whining or grinding noise from the water pump area, or coolant loss without visible external leaks. Diagnosis should be confirmed before replacement.

Can I drive with a coolant leak?

Driving with a coolant leak is not recommended. Loss of coolant can lead to engine overheating and potentially serious engine damage. The vehicle should be inspected and the leak repaired before further driving.

Does this part fit my vehicle?

Please check the vehicle compatibility section on this page and confirm your vehicle make, model, year, engine size, and engine code before ordering. If you are unsure, contact MiMi Auto Parts before checkout.

Is the price VAT-inclusive?

Yes, product prices on MiMi Auto Parts are shown inclusive of VAT where applicable.

Do you deliver across South Africa?

Yes, MiMi Auto Parts delivers nationwide in South Africa. Delivery cost and estimated timing are calculated during checkout based on your location.

Is professional installation recommended?

Professional installation is recommended for safety-critical and technical parts such as airbag, clock spring, brakes, suspension, steering, clutch, cooling, engine, and electrical components. For guidance specific to this part, see the installation note on this page.

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