CSF Aluminium Performance Radiator for BMW F-Series 1/2/3/4 Series (F20 F21 F22 F23 F30 F31 F34 GT F32 F33 F36 Gran Coupe) Manual + BMW i3 | TIG-Welded, Drop-In Alloy Cooling Upgrade with B-Tube Technology

CSF Aluminium Performance Radiator for BMW F-Series 1/2/3/4 Series (F20 F21 F22 F23 F30 F31 F34 GT F32 F33 F36 Gran Coupe) Manual + BMW i3 | TIG-Welded, Drop-In Alloy Cooling Upgrade with B-Tube Technology

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£660.00
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Heads-up on cancellations & returns: if you cancel an order or return an item, you won't get back 100% of what you paid. We apply a 10% restocking fee, the outbound shipping is non-refundable, and we have to pass on Shopify / PayPal payment processing fees; these aren't returned to us when we refund you. International orders also lose on exchange-rate spread in both directions. If the original packaging is damaged or missing, a reboxing charge applies. For international orders specifically, if you refuse to pay our shipping invoice or supply a prepaid label after placing the order, the same deductions apply. We're upfront about this — please be sure of your purchase before ordering.

CSF Aluminium Performance Radiator for BMW F20 F21 F22 F23 F30 F31 F34 GT F32 F33 F36 Gran Coupe Manual plus BMW i3

Upgrade your BMW cooling system with the CSF aluminium performance radiator. This CSF racing radiator is the go-to BMW radiator upgrade for hard road use and track days, delivering consistent coolant temperature control in extreme heat and demanding driving conditions. It is a direct drop-in fit with no modifications required and has been engineered to OE radial specifications for a true plug-and-play installation.

Built from the highest quality military grade aluminium and TIG-welded for maximum strength, the CSF alloy radiator features CSF’s industry-first B-Tube technology for class-leading efficiency. Each unit is hand-finished by a master welder then polished with CSF’s signature Sho-Stopper mirror finish. Developed in state-of-the-art ISO 9002 facilities and validated with leak testing, thermal cycle testing, burst pressure testing, vibration testing and wind tunnel testing, this is a genuine performance radiator you can trust for street, track, drift, drag, rally and daily use.

Why choose this CSF radiator for your BMW

  • All-aluminium construction for durability and heat dissipation
  • TIG-welded tanks and cores using military grade aluminium
  • CSF B-Tube technology for superior cooling efficiency
  • Engineered to OE radial specifications for perfect fitment
  • Drop-in, no-mods, plug-and-play installation
  • ISO 9002 engineered and tested: leak, thermal cycle, burst pressure, vibration and wind tunnel tested
  • Handcrafted and polished with the Sho-Stopper mirror finish
  • Ideal for fast road, track day, drift, drag, circuit, off-road, rally and daily driving

Compatible vehicles

BMW F-Series manual transmission models and BMW i3:

  • BMW 1 Series F20 F21 manual
  • BMW 2 Series F22 F23 manual
  • BMW 3 Series F30 F31 F34 GT manual
  • BMW 4 Series F32 F33 F36 Gran Coupe manual
  • BMW i3

Note: Manual transmission fitment applies to the listed F-series models. The i3 variant is also supported.

Perfect BMW radiator upgrade for

  • BMW performance cooling upgrade
  • BMW F20 F21 F22 F23 radiator replacement
  • BMW F30 F31 F34 GT radiator upgrade
  • BMW F32 F33 F36 Gran Coupe alloy radiator
  • BMW i3 performance radiator
  • BMW cooling system upgrade and track day preparation

Trusted by enthusiasts

We run CSF radiators on our own builds and our customers consistently report cooler temps and confidence on hot road and track sessions. If you want a BMW performance radiator that is strong, efficient and truly drop-in, this CSF unit delivers.

Fitting and support

Professional installation recommended. For fitting, book with Nforcd in Warwickshire. Email Sales@nforcd.com for a fitting quotation and availability.

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