Delivery, customs and taxes
Know the landed cost before you order
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For UK customers, prices include VAT, customs and delivery unless checkout states otherwise. Outside the UK, shipping is shown at checkout and local customs and taxes remain your responsibility.
Lead times and urgent orders
Check timing before you commit
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Some products are made to order, imported or custom built. If timing matters, contact us before ordering and we will confirm the expected delivery timeframe.
Fitment checked before you order
Send the vehicle, engine and current setup if you want us to confirm the exact application before checkout.
How the Funk Motorsport Turbo Blanket Supports Your BMW X4 M40i
The Funk Motorsport Turbo Blanket is engineered for the BMW X4 M40i fitted with the B58 engine, providing targeted thermal insulation for the turbocharger. By helping to contain extreme heat within the turbo housing, this blanket reduces radiant heat exposure in the engine bay. The result is improved protection for sensitive wiring, hoses, and plastic components, supporting both reliability and consistent turbo performance during spirited driving or demanding conditions.
Fitment and Application Guidance
This turbo blanket is designed specifically for the BMW X4 M40i with the B58 engine, covering model years typically from 2018 onwards (G02 chassis). It is ideal for owners seeking to manage under-bonnet temperatures, whether for daily driving, track days, or performance builds. If you own a different B58-powered BMW (such as the 3 Series or 5 Series), please confirm fitment or explore Funk Motorsport's dedicated turbo blanket range for your model. No part number is specified; always check compatibility before purchase.
Practical Benefits for BMW X4 M40i Owners
Helps reduce engine bay temperatures by insulating the turbo housing
Supports protection of wiring, hoses, and nearby components from heat soak
May contribute to more consistent turbocharger response and efficiency
Available in Titanium and Carbon Fibre finishes to suit your engine bay aesthetic
Removable 4-layer design allows for easier turbo maintenance
Why Heat Management Matters for the B58 Turbo Engine
Turbocharged engines like the B58 generate significant heat, especially under load. Excessive radiant heat can degrade plastics, wiring, and hoses, and may lead to heat soak that affects performance and reliability. The Funk Motorsport turbo blanket helps address this by containing heat at the source, allowing your X4 M40i to perform more consistently in both everyday and high-demand scenarios.
Construction and Material Features
Funk Motorsport's signature 4-layer construction is designed to offer enhanced thermal insulation compared to many standard turbo blankets. The removable design is a practical advantage, allowing the blanket to be taken off for turbo inspection or servicing without damage. Choose between Titanium or Carbon Fibre finishes for a premium look and feel.
Installation and Usage Notes
This turbo blanket is tailored for the B58 turbocharger in the BMW X4 M40i. Installation is straightforward and does not require permanent modifications. For best results, ensure the turbo surface is clean and follow the provided installation instructions. While professional installation is not strictly required, those unfamiliar with turbo heat management products may benefit from expert fitting.
Delivery, customs and taxes
Know the landed cost before you order
For UK customers, prices include VAT, customs and delivery unless checkout states otherwise. For customers outside the UK, local customs and taxes remain your responsibility, and shipping is shown at checkout. If a shipping option is not available, email us and we will prepare a tailored quote.
Lead times and urgent orders
Check timing before you commit
Many of the products we sell are made to order, imported or custom built, so a lead time may apply. If you need a part urgently, contact us before ordering and we will confirm the expected delivery timeframe and process.
Questions before you order
Frequently asked questions
Will this turbo blanket fit other B58-powered BMW models?
This product is tailored for the BMW X4 M40i B58 engine (G02, 2018+). For other B58 applications, check Funk Motorsport's range for model-specific fitment.
What are the main benefits of installing a turbo blanket?
It helps reduce engine bay heat, protects sensitive components, and may support more consistent turbo performance.
Is the blanket easy to remove for turbo servicing?
Yes, the removable design allows for routine turbo maintenance without damaging the blanket.
Are there different finish options available?
Yes, you can choose between Titanium and Carbon Fibre finishes to match your engine bay style.
Do I need professional installation?
Installation is straightforward, but professional fitting is recommended if you are unfamiliar with turbo heat management products.
Why choose Funk Motorsport for turbo heat management?
Funk Motorsport is recognised for advanced heat management solutions, with a focus on durability and serviceability for performance and motorsport applications.
Fitment first
Universal product - confirm the application
Check dimensions, mounting points, clearance and any wiring or hose requirements against your setup before ordering.
Universal fit
Need help with this product?
Send us your vehicle, year, current setup and any fitting date, event, trip or deadline before ordering. We will help check fitment, product choice and timing.