Mishimoto Performance Heat Exchanger BMW G8X M3 M4 21+

£674.40

SKU MMHE-G80-21AT Categories , , Brand:
- +

Order Within

Orders Before 2PM Ship the Same Day

Ships

Applies to all in-stock items only.

why buy from us

Introducing the Mishimoto 2021+ BMW G8X M3/M4 performance heat exchanger, the ultimate solution to keep your charge air cool under the most demanding conditions. In the world of forced induction vehicles, air-to-water intercooling is the future, and Mishimoto are taking it to the next level.—-We started from scratch, leaving no room for compromise. Our design eliminates all plastic components, replacing them with durable aluminum end tanks, core, and CNC-machined ports. TIG-welded for maximum strength and longevity, this heat exchanger will withstand even the harshest conditions. We took it further by incorporating strutted tubes within the core, adding unparalleled resistance against bowing and flexing during aggressive cornering.—-But strength is not our only focus. We’ve increased the core volume by 23 percent and expanded the external fin surface area by 44 percent. Combined with our dual-pass flow configuration and louvered fin design, this performance heat exchanger vastly improves cooling capacity over stock, enhancing overall performance.—-Rest assured, the Mishimoto Performance Heat Exchanger for the 2021+ BMW G8X M3/M4 is designed to fit perfectly with all other factory components, ensuring seamless integration into your vehicle. For added protection, we include steel rock guards to shield the heat exchanger from debris and prevent punctured tubes or crushed fins. The Mishimoto G8X M3/M4 performance heat exchanger fits both automatic and manual transmissions.—-The Mishimoto 2021+ BMW G8X M3/M4 performance heat exchanger comes with our renowned Mishimoto Lifetime Warranty, giving you peace of mind and confidence in your investment. Upgrade your BMW G8X M3/M4 with the Mishimoto Heat Exchanger and experience the true power of cooling efficiency.

Returns Policy

We want you to shop with confidence at Sansoms Specialist Parts. If you are not completely satisfied with your purchase, you may return eligible items in accordance with the policy below.

  • Returns must be requested within 14 days of delivery

  • Items must be unused, uninstalled, and in original packaging

  • Products must be returned in a resaleable condition

  • Proof of purchase is required

Custom-made, special-order, or clearance items may be non-returnable unless faulty.


 

How to Request a Return

Please contact our support team before returning any item. Returns sent without prior authorisation may be refused.

Email: support@sansomsspecialistparts.co.uk
Include your order number and reason for return.


 

Refunds

Once your return has been received and inspected, we will notify you of the outcome. Approved refunds will be processed to the original payment method within 5–10 working days.

Original shipping costs are non-refundable unless the item is faulty or incorrect.


 

Warranty Information

All products sold by Sansoms Specialist Parts are covered by a manufacturer’s warranty, where applicable.

Warranty coverage typically includes:

  • Manufacturing defects

  • Faults occurring under normal use

Warranty does not cover:

  • Incorrect installation

  • Wear and tear

  • Damage caused by misuse or modification

  • Track or competition use unless stated otherwise


 

Warranty Claims

To make a warranty claim, please contact us with:

  • Order number

  • Description of the issue

  • Supporting photos or videos

Claims are subject to inspection and manufacturer approval.


 

Important Notes

  • Professional installation is strongly recommended

  • Warranty may be void if parts are incorrectly fitted

  • Vehicle compatibility is the customer’s responsibility


 

Need Help?

If you have any questions regarding returns or warranty, our team is happy to assist.

Delivery Options

We aim to get your performance parts to you as quickly and safely as possible.

  • Standard UK Delivery: 3–5 working days

  • Express UK Delivery: 1–2 working days (subject to availability)

  • International Delivery: 5–10 working days (depending on location)

All orders are carefully packaged to ensure your parts arrive in perfect condition.


 

Shipping Costs

  • Standard delivery is charged at checkout based on weight and destination

  • Free UK delivery on orders over £100

We offer tracked shipping so you can monitor your order every step of the way.


 

Stock Availability

  • Most parts are held in stock for immediate dispatch

  • Some specialist or custom parts may have longer lead times

  • Stock levels are updated regularly, but occasionally items may be temporarily unavailable

If a product is out of stock, we will notify you immediately and offer alternatives or an estimated delivery date.


 

Order Processing

  • Orders are typically processed within 1–2 working days

  • You will receive a confirmation email once your order has been dispatched

  • Large or heavy items may require additional handling time


 

Important Notes

  • Performance parts may require professional installation

  • Delivery times are estimates and may vary during peak periods

  • International shipments may be subject to customs or import fees

Related Products

Scroll to Top