MiMi Auto Parts
WATER PUMP, Cooltec

WATER PUMP

Brand: Cooltec

SKU: 403122

Category: COOLING, WATER PUMP

R1 748,00 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 water pump is a crucial component within the cooling system of select BMW models. It circulates coolant through the engine and radiator, helping to maintain optimal operating temperatures and prevent overheating. The robust cast metal construction and included gasket ensure a reliable seal and consistent performance.

This water pump is designed specifically for BMW vehicles, including models such as the E46 and X5 E53, with engines like the 320d, 330d, and 3.0d featuring M47N and M57N engine codes. To ensure proper fitment, always confirm your BMW’s model, year, engine size, and engine code before ordering.

Common signs that your water pump may need replacement include coolant leaks, engine overheating, noisy operation from the pump area, visible corrosion or build-up around the pump, and fluctuating temperature readings. If you notice any of these symptoms, your cooling system may not be functioning correctly.

Replacing the water pump at the first signs of wear or failure is important to avoid serious engine damage. Always use a new gasket during installation to ensure proper sealing and prevent leaks. If you are unsure about compatibility or installation, consult a qualified technician or reach out to MiMi Auto Parts for guidance.

MiMi Auto Parts supplies reliable cooling water pumps for BMW models and offers nationwide delivery across South Africa. Trust us to help keep your vehicle running at the correct temperature and provide support with fitment questions before you place your order.

Common signs this part may need replacement

  • Coolant leaking from the front of the engine
  • Engine overheating during normal driving
  • Unusual whining or grinding noises near the water pump
  • Visible rust or corrosion on the water pump housing
  • Coolant warning light illuminated on dashboard
  • Fluctuating engine temperature readings
  • Steam or coolant smell from engine bay
  • Low coolant levels without visible external leaks

Typical replacement guidance

Replace the water pump if you notice leaks, noise, overheating, or corrosion, or as part of scheduled cooling system maintenance. Timely replacement helps prevent engine damage and ensures consistent cooling performance.

Why timely replacement matters

A failing water pump can lead to engine overheating and costly repairs. Prompt replacement protects your BMW’s engine and helps maintain reliable performance.

Vehicle Compatibility

This part is confirmed to fit the following vehicles:

  • BMW 3 (E46) 1997 – 2005 320 d (M47 D20 (204D4)) – 110 kW / 150 HP
  • BMW 3 (E46) 1997 – 2005 330 d (M57 D30 (306D2)) – 150 kW / 204 HP
  • BMW 3 Touring (E46) 1999 – 2005 320 d (M47 D20 (204D4)) – 110 kW / 150 HP
  • BMW 3 Touring (E46) 1999 – 2005 330 d (M57 D30 (306D2)) – 150 kW / 204 HP
  • BMW 7 (E65, E66, E67) 2001 – 2009 730 d (M57 D30 (306D2)) – 160 kW / 218 HP
  • BMW 7 (E65, E66, E67) 2001 – 2009 730 d (M57 D30 (306D2)|M57 D30 (306D3)) – 155 kW / 211 HP
  • BMW X5 (E53) 2000 – 2006 3.0 d (M57 D30 (306D2)) – 155 kW / 211 HP
  • BMW X5 (E53) 2000 – 2006 3.0 d (M57 D30 (306D2)) – 160 kW / 218 HP

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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