E46 Bmw Radiator
By the Editorial Staff
March 16, 2026
This is a Genuine BMW brand replacement radiator for 5/2005-2006 E46 3 series with M54 engine, including 325i, 325Ci, 330i, 330Ci, and Z4 2.5 and 3.0. Save big, while still getting the highest quality radiator available for your BMW. Amazon.com: bmw e46 radiator Shop products from small business brands sold in Amazon's store.
Discover more about the small businesses partnering with Amazon and Amazon's commitment to empowering them. The Mishimoto Performance Aluminum Radiator for BMW E46 non-M vehicles is designed and engineered to reduce coolant temperatures by 19°F (10.5°C), and to protect your car from overheating during aggressive driving or hot lapping sessions. It is the ideal upgrade for your 3-series, and will outlast the weak stock plastic radiators.
The Mishimoto BMW E46 radiator features a large two. Ultra-efficient dual-core, triple-pass radiator from the leader in E46 M3 cooling. Cooler engine temps mean more power and longer life of engine components.
2X Entries For Our Spin To Win Sweepstakes! This E46 M3 radiator is a factory replacement using all factory shrouding, clip-on hoses, and mounting points. CSF uses new technology packed into a compact two.
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CSF manufactures the most advanced and efficient radiator in the industry for your E46 3-Series/Z4. CSF uses innovative tube and fin technologies with industry. 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. Maintaining the cooling system so that the engine does not overheat is a significant step toward getting engine longevity.
There are many components in the BMW E46 cooling system: Radiator and coolant overflow tank Belt driven coolant pump bolted to the front of the engine block Electric cooling fan attached to rear of radiator -- the cooling fan is controlled by the engine control module (ECM. As with all our BMW parts, the Mishimoto E46 M3 Performance Aluminum Radiator includes the Mishimoto Lifetime Warranty, ensuring superior Products quality and craftsmanship. For more information about the development process, check out our build thread on our engineering blog!