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In Stock - Available from Supplier Dispatch between 5 September - 12 September.

Keep your 2021+ BMW G8X M3/M4 engine temperature under control with Mishimoto’s S58 Performance Auxiliary Radiators. These radiators are sold as a pair and feature full aluminium end tanks that are TIG welded to custom engineered cores for maximum durability and performance. The increased fluid capacity and 25 percent increase in core volume ensures optimal heat dissipation and effective temperature regulation for both stock and modified vehicles, making them an essential upgrade for high performance driving.
In addition to their robust construction, these radiators feature strutted tubes, providing further reinforcement against vibration and impacts. For additional protection, steel stone guards are available separately. As with all Mishimoto products, the 2021+ BMW G8X M3/M4 S58 Performance Auxiliary Radiators feature the Mishimoto Lifetime Warranty for a worry free cooling as long as you own them.

KEY FEATURES

  • Direct fit for 2021+ BMW G8X M3/M4
  • 25-percent increase in core volume for improved heat transfer
  • Aluminium, TIG-welded end tanks for maximum durability
  • Strutted tubes provide further reinforcement against vibration and impacts
  • Increased fluid capacity for maximum cooling capability
  • Provides effective temperature regulation for both stock and modified vehicles
  • Includes both left and right radiators
  • Pair with Mishimoto Performance Heat Exchanger for a complete cooling system upgrade
  • Accepts stock rock guards or available steel Mishimoto guards for maximum protection
  • Mishimoto Lifetime Warranty

APPLICATIONS

  • 2021+ BMW M3 3.0L
  • 2021+ BMW M4 3.0L
  • 2021+ BMW M3 Competition 3.0L
  • 2021+ BMW M4 Competition 3.0L
  • 2019+ BMW X3 M 3.0L
  • 2019+ BMW X4 M 3.0L
  • 2019+ BMW X3 M Competition 3.0L
  • 2019+ BMW X4 M Competition 3.0L

Will fit models equipped with S58 engines.

PURCHASE INCLUDES

WARRANTY

Mishimoto Automotive (“Mishimoto”) warrants its products under this lifetime limited warranty policy (“Warranty Policy”). This Warranty Policy applies solely to: (i) Mishimoto Products purchased directly from Mishimoto or Mishimoto authorized dealers (each a “Mishimoto Product” and collectively, the “Mishimoto Products”) and (ii) the original purchaser of such Mishimoto Product (“Purchaser”). This Warranty Policy is non-transferable and all claims under this Warranty Policy must be accompanied by the original sales receipt. The terms and conditions of this Warranty Policy are subject to change by Mishimoto at any time without notice.

For our complete warranty policy, please click here.

ADDITIONAL INFORMATION:

Brand

Colour

Silver

We offer free tracked shipping on all orders within mainland EU. Orders to remote areas such as Malta, Cyprus, and Iceland may incur a surcharge. Worldwide shipping is also available—please contact us for a quote.

Most orders dispatch within one business day (Monday to Friday). EU delivery takes 3–5 working days from dispatch, and tracking details will be provided via email once your order has shipped.

Please note that import taxes may apply outside the EU, and these are the responsibility of the buyer. Some items may ship directly from our suppliers and may have varying delivery times. If an item is out of stock, we will contact you to discuss the available options.

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RETURNS

Changed your mind? You can return unused, uninstalled items in original packaging within 30 days of delivery. Return shipping is the customer’s responsibility unless the item is faulty.

Custom, used, or built-to-order items are non-returnable.

Once we receive and inspect your return, refunds are typically processed within 10 business days.

If your item is damaged or incorrect, contact us within 48 hours with photos and order details.

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WARRANTY

All VA and VA Motorsports products come with a 1-year limited warranty covering manufacturing defects and fitment issues. For third-party items, warranty terms vary by brand—please check the product listing or contact us for details.

This warranty does not cover wear and tear, incorrect installation, cosmetic damage, labor, or third-party costs.

To start a claim, email us with your order number, issue description, and photos. If the claim is approved, we’ll offer a replacement, store credit, or a refund.

📄 View full warranty policy

FREQUENTLY ASKED QUESTIONS (Faq)

Yes, we do ship worldwide. However, we recommend contacting us before placing your order, as the price only covers the product and does not include shipping costs

Each product listing includes detailed compatibility information. Please review it carefully to ensure the part fits your specific vehicle model and year. If you’re unsure, feel free to contact us with your vehicle details, and we’ll be happy to assist you.

Yes, we do provide this service in our workshop. Our skilled technicians can professionally install your body styling and performance parts to ensure a perfect fit and optimal performance. Please contact us to schedule an appointment or for more information.

Yes, customers within mainland EU can enjoy free shipping on all orders. However, in rare cases, customers from non-EU or remote areas may be contacted about an additional shipping fee. For further questions, feel free to contact us.

Shipping times vary based on your location and the product ordered.

Take note, that in-stock products will be shipped the next working day. Otherwise, your order will be dispatched as stated on its product information.

For customers within the EU, delivery typically takes 3-5 working days from the dispatch date.

For international customers, orders are generally delivered within 5-10 working days from the dispatch date.

We accept returns on unused and uninstalled items within 14 days of purchase. The product must be in its original packaging and condition. Shipping fees are non-refundable, and return shipping costs are the buyer's responsibility.

Mishimoto BMW S58 PERFORMANCE AUXILIARY RADIATORS G8X M2 M3 M4
Mishimoto BMW S58 PERFORMANCE AUXILIARY RADIATORS G8X M2 M3 M4