MiMi Auto Parts
HOSE ENGINE TO THERMOSTAT, Cooltec

HOSE ENGINE TO THERMOSTAT

Brand: Cooltec

SKU: 400004

Category: COOLING, RADIATOR HOSE

R575,00 incl. 15% VAT

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

Product Description

This Cooltec hose connects the engine to the thermostat, playing a vital role in your BMW's cooling system. It ensures a secure, leak-free path for coolant to flow between the engine and thermostat, helping regulate engine temperature. The preformed bends and flanged mounting end are designed to fit specific BMW models, supporting reliable cooling performance.

This cooling radiator hose is compatible with selected BMW models listed in the fitment data. It is important to check your vehicle's model, year, engine size, and engine code to confirm compatibility before purchasing.

Common symptoms of a failing engine to thermostat hose include coolant leaks, visible cracks or splits, overheating, low coolant levels, steam from the engine bay, or a persistent coolant smell. You may also notice frequent top-ups required or the engine temperature gauge reading higher than normal.

Replacing this hose is recommended if you see any signs of wear, leaks, or swelling. Over time, rubber hoses can degrade due to heat and pressure, so timely replacement helps prevent unexpected breakdowns and costly engine damage.

Shop with confidence at MiMi Auto Parts. We offer nationwide delivery across South Africa, ensuring you get the right part for your BMW quickly and conveniently.

Common signs this part may need replacement

  • Coolant leaks near the hose connection points
  • Visible cracks, splits, or swelling on the hose
  • Engine overheating
  • Low coolant warning light
  • Persistent coolant smell under the bonnet
  • Steam coming from the engine bay
  • Frequent need to top up coolant
  • Soft or spongy hose texture when pressed

Typical replacement guidance

Replace the engine to thermostat hose at the first sign of leaks, cracks, or swelling. Regular inspection is advised, especially on older vehicles or those exposed to high temperatures.

Why timely replacement matters

Timely replacement of this hose prevents coolant loss and overheating, protecting your engine from serious damage. A secure cooling system helps ensure reliable vehicle performance.

Vehicle Compatibility

This part is confirmed to fit the following vehicles:

  • BMW 5 (E60) 2001 – 2010 523 i (N52 B25 A|N52 B25 B|N52 B25 BE) – 130 kW / 177 HP
  • BMW 5 (E60) 2001 – 2010 523 i (N52 B25 A|N52 B25 BE) – 140 kW / 190 HP
  • BMW 5 (E60) 2001 – 2010 523 i (N53 B25 A) – 140 kW / 190 HP
  • BMW 5 (E60) 2001 – 2010 525 i (N52 B25 A|N52 B25 B|N52 B25 BF) – 160 kW / 218 HP
  • BMW 5 (E60) 2001 – 2010 525 xi (N52 B25 A) – 160 kW / 218 HP
  • BMW 5 (E60) 2001 – 2010 530 i (N52 B30 A|N52 B30 BF) – 190 kW / 258 HP
  • BMW 5 (E60) 2001 – 2010 530 i (N52 B30 A|N52 B30 BF) – 200 kW / 272 HP
  • BMW 5 (E60) 2001 – 2010 530 i (N53 B30 A) – 200 kW / 272 HP
  • BMW 5 Touring (E61) 2004 – 2010 523 i (N52 B25 A) – 140 kW / 190 HP
  • BMW 5 Touring (E61) 2004 – 2010 523 i (N52 B25 A|N52 B25 B|N52 B25 BE) – 130 kW / 177 HP
  • BMW 5 Touring (E61) 2004 – 2010 523 i (N53 B25 A) – 140 kW / 190 HP
  • BMW 5 Touring (E61) 2004 – 2010 525 i (N52 B25 A|N52 B25 B|N52 B25 BF) – 160 kW / 218 HP
  • BMW 5 Touring (E61) 2004 – 2010 530 i (N52 B30 A) – 200 kW / 272 HP
  • BMW 5 Touring (E61) 2004 – 2010 530 i (N52 B30 A|N52 B30 BF) – 190 kW / 258 HP
  • BMW 5 Touring (E61) 2004 – 2010 530 i (N53 B30 A) – 200 kW / 272 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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