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  • CSF B58/B48 Front Mount Triple-Pass Heat Exchanger w/Rock Guard fits 2016-2021 BMW 230i / 330e / 330i / 340i
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CSF BMW B58/B48 Front Mount Triple-Pass Heat Exchanger w/Rock Guard - Main Product View
CSF BMW B58/B48 Front Mount Triple-Pass Heat Exchanger w/Rock Guard - Side View
CSF BMW B58/B48 Front Mount Triple-Pass Heat Exchanger w/Rock Guard - Back View
CSF BMW B58/B48 Front Mount Triple-Pass Heat Exchanger w/Rock Guard - Installation View
CSF BMW B58/B48 Front Mount Triple-Pass Heat Exchanger w/Rock Guard - Additional View 5
CSF BMW B58/B48 Front Mount Triple-Pass Heat Exchanger w/Rock Guard - Additional View 6
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CSF B58/B48 Front Mount Triple-Pass Heat Exchanger w/Rock Guard fits 2016-2021 BMW 230i / 330e / 330i / 340i

⚠️ Please verify fitment before purchasing. Check the fitment chart below or use the Year/Make/Model tool to confirm this part fits your vehicle.

⚠️ Verify fitment before purchasing. Check the fitment chart below or click the 3 lines in the top left menu, select Home, then use the Year/Make/Model guide.

CSF
8131
In stock
$749.00 USD $697.99 USD
$697.99 USD
CSF B58/B48 Front Mount Triple-Pass Heat Exchanger w/Rock Guard fits 2016-2021 BMW 230i / 330e / 330i / 340i
Description
The original OEM B58 heat exchanger is a 1-row unit that is 27mm thick. In comparison, CSF has used its industry-exclusive world's largest 2-row core (68mm) with CSF's B-Tube technology. A unique tank design allows the larger CSF core to still fit into the OEM cooling system housing. Another critical feature of the CSF BMW B58 high-performance heat exchanger is its unique triple-pass flow design. The water traveling through the upgraded heat exchanger flows through the radiator three times before exiting the cooler and flowing back into the manifold charge cooler. This ensures that the outlet water temperature of the heat exchanger is the absolute lowest it can be. The OEM design, as well as more expensive aftermarket designs, all have single-pass flow structures.

This Part Fits:

Year Make Model Submodel
2017-2021 BMW 230i Base
2017-2021 BMW 230i xDrive Base
2016,2018 BMW 330e Base
2017 BMW 330e iPerformance
2017-2018 BMW 330i Base
2017-2018 BMW 330i GT xDrive Base
2017-2019 BMW 330i xDrive Base
2016-2018 BMW 340i Base
2017-2019 BMW 340i GT xDrive Base
2016-2018 BMW 340i xDrive Base
2017-2020 BMW 430i Base
2017-2020 BMW 430i xDrive Base
2017-2020 BMW 430i xDrive Gran Coupe Base
2017-2020 BMW 440i Base
2017-2020 BMW 440i Gran Coupe Base
2017-2020 BMW 440i xDrive Base
2017-2020 BMW 440i xDrive Gran Coupe Base
2017-2021 BMW M240i Base
2017-2021 BMW M240i xDrive Base
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