CSF Aluminum Performance Radiator - E46 320i, 323, 325, 328, 330, Z4

CSF Aluminum Performance Radiator - E46 320i, 323, 325, 328, 330, Z4

£432.00
£432.00
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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.

Oversized design for E46 manual transmission models

High performance aluminum core

Aluminum endtanks instead of plastic

CSF B-Tube design

Designed and tested in the USA

CSF Aluminum performance radiators feature a thicker core combined with their B-tube design to offer greatly enhanced cooling performance with improved durability. Instead of a single oval radiator tube, CSF has two tubes in the shape of a "B" that have more surface area and greater strength. In addition, CSF can use a thinner material that is more efficient and lighter. Adding lightness has its benefits as a thicker core will mean the radiator and extra coolant will weigh more (thicker is not always the best). Read more on CSF B-Tube tech by clicking here. By doing away with the plastic end tanks and connections, CSF has eliminated the main weak points of the stock radiator design. The plastic has a tendency to crack and leak, especially on track cars where the extreme heat makes the plastic brittle.

The E46 CSF Aluminum radiator is designed as a direct replacement to the stock system. It uses all of the factory plastic shrouding, hose connections, and mounting points. Although not a concern, and it does not affect performance, the thicker core will tighten tolerances and move some components slightly out of position. Clearance between the expansion tank and accessory belt is particularly tight but contact has not been an issue even on Spec E46 and other track cars. All CSF radiators receive design and development in the USA with additional wind tunnel, vibration, thermal cycle, burst pressure, and salt spray testing done at their production facilities in Southeast Asia. During manufacturing, radiators are individually tested for leaks and receive a 30-point inspection prior to shipping. CSF is an OE supplier to several manufacturers as well as providing private-label products for other radiator brands. CSF radiators have a two year warranty.

BMW Fitments:

3 Series

E46 (99-05) > 320i

E46 (99-05) > 323Ci

E46 (99-05) > 323i

E46 (99-05) > 325Ci

E46 (99-05) > 325i

E46 (99-05) > 325xi

E46 (99-05) > 328Ci

E46 (99-05) > 328i

E46 (99-05) > 330Ci

E46 (99-05) > 330i

E46 (99-05) > 330xi

Z Series

E85 / E86 Z4 (03-08) > Z4 2.5i M54

E85 / E86 Z4 (03-08) > Z4 3.0i M54