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Ships within 48 hours · Estimated delivery Sep 10 - Sep 15
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Description
CSF BMW B58/B48 Front Mount Triple-Pass Heat Exchanger w/Rock Guard - BlackThe 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
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 |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.4 ★★★★★
Based on 9 reviews
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Product Reviews
★★★★★ 5
Good sunscreen
Size: 1.7 Fl Oz (Pack of 1)
It protects pretty good and stays for a long period of time. Keeps skin hydrated!
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Reviewed in the United States on May 5, 2026
★★★★★ 5
Lightweight, Protective and Perfect for Everyday Use
Sun protection factor: 50 Sun Protection Factor (SPF), Size: 8 Fl Oz (Pack of 1)
Hawaiian Tropic Everyday Active SPF 50 sunscreen has quickly become my go-to for daily sun protection. The lotion feels light and non-greasy on the skin, which makes it easy to apply and absorb. There is no sticky residue or heavy feeling at all.
I love that it’s broad-spectrum and water-resistant so I feel confident that it’s protecting me during outdoor activities, whether I’m at the beach, hiking or just running errands. Plus, being oxybenzone-free is a huge bonus for anyone mindful of ingredients.
The scent is subtle and pleasant while not being overpowering like some sunscreens and the 8 fl oz size is perfect for keeping at home or in my bag. Overall, it’s effective, easy to use and keeps my skin safe and hydrated. Highly recommend for daily sun protection!
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Reviewed in the United States on December 3, 2025
★★★★★ 5
Lightweight and Smells Amazing
Sun protection factor: 50 Sun Protection Factor (SPF), Size: 8 Fl Oz (Pack of 1)
I was really impressed with how lightweight this sunscreen feels on the skin. It absorbs quickly and does not leave a greasy or heavy feeling behind. The scent is honestly one of my favorite parts because it smells so good and reminds me of being on vacation. I only used it on my body and not my face, and it worked perfectly for everyday sun protection. Overall it is such an easy, pleasant sunscreen to wear and I would definitely buy it again.
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Reviewed in the United States on December 5, 2025
★★★★★ 5
Great smelling sunscreen and not oily
Sun protection factor: 30 Sun Protection Factor (SPF), Size: 8 Fl Oz (Pack of 2)
This is my go to sunscreen! Love the smell and it doesn't feel oily. Keeps me from getting burned when I'm in the pool a lot. Seems to protect good.
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Reviewed in the United States on May 13, 2026
★★★★★ 5
Better than expectation
Sun protection factor: 50 Sun Protection Factor (SPF), Size: 8 Fl Oz (Pack of 1)
This is very soft and smooth to apply to my face and body. I like the smell and texture. Once I finish the bottle, I would like to re-buy.
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Reviewed in the United States on April 11, 2026