Radiator, CSF Aluminum - E46 323i/325i/328i/330i Manual

All-aluminum, high capacity performance radiator. Replaces BMW part #17119071518

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Price:
$319.00

BimmerWorld View - CSF provides a high-quality that exceeds OE standards, gets rid of the plastic end tanks, and improves cooling by 25-30%. More efficient cooling for your street/track car at a great price.
  • 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 to fit the same as the original radiator but uses a thicker core that reduces clearance to other components. Small modifications, trimming, adjustments, and offset mounts will help improve fitment. Clearance between the expansion tank and power steering pulley is particularly tight but when properly installed will not make contact, even on Spec E46 and other track cars. Any contact can usually be traced to either incorrect installation or worn engine mounts that allow the engine to shift forward under braking. Offset lower radiator mounts are available to move the radiator forward (Powerflex PFF5-4652), see Related Items below.

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
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