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.
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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.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
The factory ducting and shrouds are all reused with no modifications necessary.
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Finally, a durable, attractive water pump pulley that won't break!
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This product was last offered at the strikethrough price on
05-02-2026
Serious engine oil cooling for the most demanding engines
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For custom applications only. Not a direct bolt on.
Includes housing and sealing o-ring
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We Price Match - Give Us A Call or Chat! Low-temp thermostat reduces stresses on engine components and improves performance
This product was last offered at the strikethrough price on
12-11-2025
Ditch the weak, factory plastic coolant expansion tank and free up space on the hot side of your engine bay!
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Compatible with factory/aftermarket cold side intakes as well as hot side intakes!
This product was last offered at the strikethrough price on
05-02-2026
True plug-and-play! No modifications - just better performance. Lower engine temperatures mean more power and longer life of engine components.
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Keep oil temps low on or off the track!
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Retains OEM fitment with superior looks and durability!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
This product was last offered at the strikethrough price on
05-02-2026
Upgrade your cooling - lifetime warranty!
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Featuring an all-aluminum tank and core. Lower engine temperatures mean more power and longer life of engine components!
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Replaces the stock plastic flange found in the thermostat to cylinder head coolant hose that is known to fail
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Keep your engine oil tempratures in check even under the harshest of track conditions with CSF's performance S58 oil cooler!
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Aluminum fan shroud with 16" slim electric fan, NPT & Probe sensor, and all necessary wiring!
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Designed with a NPT & Probe sensor that replaces your factory radiator sensor
Keep oil temps under control with CSF's high performance engine oil cooler
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A high performance heat exchanger like this will keep the engine at a more consistent temperature and drop intake temps dramatically.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms