E36 3 Series Cooling System Overhaul Kit - Stage III

Full, upgraded overhaul kit for your cooling system with higher capacity and better longevity

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Our Stage 3 E36 3 Series Cooling System Overhaul Kit includes all the common preventative maintenance parts to keep your cooling system from failing at an inconvenient time, including some cost-effective and high-quality upgrades to add peace of mind and longevity. This overhaul service typically needs to be performed at 80-100,000 miles with stock parts due to plastic fatigue on the radiator tanks and thermostat housing.

Stage 3 Kit Includes:

  • CSF aluminum radiator with a thicker core (third row) for added capacity/cooling, plus oil cooler attachment points at the base of the unit. Excellent performance radiators with great customer reviews for those on a budget who do not want an East Asian-sourced radiator with questionable quality.
  • Stewart Components/EMP performance water pump - now with a lifetime warranty! This is a premium water pump packed with features like improved vein design for better flow, an oversized bearing, and the best seals available. 
  • Silicone radiator hose kit for added durability to the cooling system
  • Aluminum thermostat housing - upgrade from factory plastic
  • Thermostat housing gasket
  • Thermostat - 88 degree
  • Radiator/expansion tank cap
  • Accessory belt

This kit fits 6-cylinder E36 3-Series cars (323, 325, 328, and M3). Kit will not fit the Z3/MZ3.

*High capacity radiators fitted to an automatic requires slight modification to allow the transmission cooler to securely bolt on.

BMW Fitments:--
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