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Zionsville Type 11 E46 M3 Radiators



Our radiators are constructed of materials that provide better heat dissipation. For example, PA66 GF30 is a glass reinforced nylon material used by Behr to manufacture O.E. radiator side tanks. UNS A93003 is the aluminum alloy we use in our radiators.

Thermal Conductivity
PA66 GF30 - 0.22 - 0.5 W/m-K
UNS A93003 - 193 W/m-K
Specific Heat Capacity
PA66 GF30 - 1.2 - 2.35 J/g C
UNS A93003 - 0.893 J/g C


Additionally, our radiators do not become weak or brittle due to constant temperature cycling. Glass reinforced nylon will eventually deteriorate resulting in a cracked or broken radiator neck. This failure has become more common due to the increased temperatures in the current generation of BMW engines. The normal operating temperature of a Double Vanos engine is around 110 C (230 F). Unfortunately, there is no way to tell what the real temperature is in the engine without special equipment. According to the BMW WDS, the instrument cluster temperature display will read normal between 75 -113 C (167 -235.4 F). Nylon just doesn't hold up under these conditions.

In short, our e46 radiator dissipates more heat and it won't break. And should it break, the original purchaser is covered by a lifetime guarantee... even if it's installed in a race car.

Alloy Radiator Features
  • High Efficiency Fin Design
  • Better Heat Dissipating Materials
  • Repairable All Alloy Construction
  • Greatly Increased Life-Span
  • Hand Welded, No Epoxy
  • Impact Resistant
  • Aluminum Core
  • Accepts All Original Equipment
  • High Safety Margin
  • Tested at 4X Operating Pressure


Lifetime Warranty!
Zionsville Autosport guarantees our radiators for life to the original purchaser. Purchaser must provide proof of BMW coolant use at first installation and once every two years thereafter.


All BMW Zionsville Type 11 E46 M3 Radiators
View All BMW M3 Radiators
BMW M3Price
(2001-2005) E46 - Aluminum (Type 11) Exact Fit for all Factory Attachments$1,015.50  Add to Cart
 
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Parts Available: E46M3AR