MiMi Auto Parts
EXPANSION TANK WITH CAP,

EXPANSION TANK WITH CAP

SKU: 408907

Category: BRAND NEW, COOLING, WATER BOTTLE

R917,70 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 brand new expansion tank with cap is an essential component of your BMW's cooling system. Designed to store excess coolant and maintain the correct pressure, this water bottle helps prevent overheating and ensures your engine runs at optimal temperatures. The robust plastic construction and integrated cap provide a secure seal and reliable performance.

Compatible with a range of BMW models, including X5 and X6 series with 3.0d, M50d, 3.0si, and 50i engines from 2006 to 2019, this expansion tank is engineered to fit seamlessly into your vehicle's cooling system. Always confirm your BMW's model, year, engine size, and engine code before placing your order to ensure correct fitment.

Common symptoms of a failing expansion tank include coolant leaks, low coolant warnings, visible cracks or swelling on the tank, engine overheating, steam from under the bonnet, and fluctuating temperature readings. If you notice any of these issues, it may be time to inspect or replace your expansion tank.

Replacing a damaged or leaking expansion tank is crucial to prevent coolant loss and protect your engine from overheating. Always use a new tank with a secure cap to maintain the correct pressure in your cooling system. Consult your mechanic or refer to your vehicle manual for correct installation.

Order your BMW expansion tank with cap from MiMi Auto Parts for reliable service and nationwide delivery across South Africa. Trust our expertise to help you keep your BMW running smoothly and safely.

Common signs this part may need replacement

  • Coolant leaks near the expansion tank
  • Low coolant warning light on dashboard
  • Visible cracks or swelling on the tank
  • Engine overheating
  • Steam or vapour from under the bonnet
  • Fluctuating engine temperature gauge
  • Coolant smell inside or around the vehicle
  • Loss of coolant without visible leaks
  • Air bubbles in the coolant reservoir

Typical replacement guidance

Replace the expansion tank if you notice any leaks, cracks, or signs of pressure loss. It is also recommended to replace the tank if the cap is no longer sealing properly or during major cooling system maintenance.

Why timely replacement matters

Timely replacement of a faulty expansion tank prevents engine overheating and potential damage. Maintaining proper coolant levels and pressure is vital for your BMW's longevity.

Vehicle Compatibility

This part is confirmed to fit the following vehicles:

  • BMW X5 (E70) 2006 – 2013 3.0 d (M57 D30 (306D3)) – 173 kW / 235 HP
  • BMW X5 (E70) 2006 – 2013 3.0 sd (M57 D30 (306D5)) – 210 kW / 286 HP
  • BMW X5 (E70) 2006 – 2013 3.0 si (N52 B30 A|N52 B30 AF|N52 B30 BF) – 200 kW / 272 HP
  • BMW X5 (E70) 2006 – 2013 M (S63 B44 A) – 408 kW / 555 HP
  • BMW X5 (E70) 2006 – 2013 M 50 d (N57 D30 C) – 280 kW / 381 HP
  • BMW X5 (E70) 2006 – 2013 xDrive 30 d (N57 D30 A) – 180 kW / 245 HP
  • BMW X5 (E70) 2006 – 2013 xDrive 35 i (N55 B30 A) – 225 kW / 306 HP
  • BMW X5 (E70) 2006 – 2013 xDrive 40 d (N57 D30 B) – 225 kW / 306 HP
  • BMW X5 (E70) 2006 – 2013 xDrive 40 i (N55 B30 A) – 225 kW / 306 HP
  • BMW X5 (E70) 2006 – 2013 xDrive 48 i (N62 B48 B) – 261 kW / 355 HP
  • BMW X5 (E70) 2006 – 2013 xDrive 50 i (N63 B44 A) – 300 kW / 408 HP
  • BMW X5 (F15, F85) 2013 – 2018 M 50 d (N57 D30 C) – 280 kW / 381 HP
  • BMW X5 (F15, F85) 2013 – 2018 xDrive 25 d (B47 D20 B) – 170 kW / 231 HP
  • BMW X5 (F15, F85) 2013 – 2018 xDrive 30 d (N57 D30 A) – 190 kW / 258 HP
  • BMW X5 (F15, F85) 2013 – 2018 xDrive 35 i (N55 B30 A) – 225 kW / 306 HP
  • BMW X5 (F15, F85) 2013 – 2018 xDrive 40 d (N57 D30 B) – 230 kW / 313 HP
  • BMW X5 (F15, F85) 2013 – 2018 xDrive 50 i (N63 B44 B) – 330 kW / 449 HP
  • BMW X6 (E71, E72) 2007 – 2014 M (S63 B44 A) – 408 kW / 555 HP
  • BMW X6 (E71, E72) 2007 – 2014 M 50 d (N57 D30 C) – 280 kW / 381 HP
  • BMW X6 (E71, E72) 2007 – 2014 xDrive 35 d (M57 D30 (306D5)) – 210 kW / 286 HP
  • BMW X6 (E71, E72) 2007 – 2014 xDrive 35 i (N54 B30 A|N55 B30 A) – 225 kW / 306 HP
  • BMW X6 (E71, E72) 2007 – 2014 xDrive 40 d (N57 D30 B) – 225 kW / 306 HP
  • BMW X6 (E71, E72) 2007 – 2014 xDrive 50 i (N63 B44 A) – 300 kW / 408 HP
  • BMW X6 (F16, F86) 2014 – 2019 M 50 d (N57 D30 C) – 280 kW / 381 HP
  • BMW X6 (F16, F86) 2014 – 2019 xDrive 35 i (N55 B30 A) – 225 kW / 306 HP
  • BMW X6 (F16, F86) 2014 – 2019 xDrive 40 d (N57 D30 B) – 230 kW / 313 HP
  • BMW X6 (F16, F86) 2014 – 2019 xDrive 50 i (N63 B44 B) – 330 kW / 449 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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