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BMW Cooling System Parts & Accessories for BMW 4 Series F33 (2014+)

The cooling system is arguably the weakest point in numerous BMWs. If you drive an aging BMW or plan on taking your car to the track like we do, we recommend beefing up your cooling system before going to the track. Generally, the main components in your cooling system that are prone to failure include the following: expansion tank, factory hoses, water pump, thermostat, fan (especially if your vehicle comes factory with a clutch fan), and radiator. Factory BMW expansion tanks are plastic and prone to either breaking off at connection points or combusting. As factory rubber hoses age they either crack or break over time - we offer silicone cooling hose upgrades for most applications to avoid future failures. If you have an older vehicle, your water pump likely comes from the factory with a plastic impeller - we offer upgraded water pumps with metal impellers that are far more reliable. Newer model BMWs utilize electric water pumps - BMW spent millions of dollars engineering these water pumps, but they fail so often that we recommend replacing at 60,000 mile service intervals to avoid being stranded on the side of the road. In terms of thermostats, we offer various upgraded thermostats for racing applications. If your BMW utilizes a clutch fan from the factory, we have several options available in terms of universal electric fans - we recommend replacing these to avoid sending brittle plastic fan blades through your hood. For radiators, we recommend swapping out your radiator for one that does not use plastic connection points like your factory radiator.

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CTS Turbo B58 Radiator

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

T#:23053175

Part#: CTS-B58-HX

Ships in 7 Business Days

Sale - Save 15% $ 499.99

This product was last offered at the strikethrough price on
07-09-2026

$ 424.99 USD

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Sale - Save 15%

$ 499.99

This product was last offered at the strikethrough price on
07-09-2026

$ 424.99 USD

Add to Wish List

Enhance cooling performance for tuned B58 engines in your BMW with CTS Turbo's Front Mount Heat Exchanger. This aftermarket heat exchanger offers superior efficiency compared to the factory front-mounted one, addressing cooling inefficiencies.

Key Features:

Double-pass core designed for higher flow and increased size than the factory unit, fitting into the stock location
CNC machined mounting points and hose connections ensure seamless installation without modifying factory parts
Includes a vent for easy air bleeding post-installation
High-efficiency aluminum core with smooth bends on coolant connections
Hand-welded and pressure tested for reliability
Reduces intake air temperature, optimizing engine performance
Installation hardware, including transmission cooler relocation brackets, is included

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