Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 8 - Jul 13
Promo Codes Available:
For Your Every Summer RSVP, with Code: SUMMER15
Description
CSF BMW B58/B48 Front Mount Triple-Pass Heat Exchanger w/Rock GuardThe 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:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
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 1875 reviews
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Product Reviews
★★★★★ 5
Excellent room divider
Color: Black, Size: 8 Panel
I have three of these from this company! 2 of them are 6 panel and one 8 panel (this one). A+ quality and wonderful with privacy. I have this on my screened in balcony and it withstands the wind pretty well. Fits right behind my giant plant pots. No assembly needed and it was long enough to cover the entire screened area. No more nosy neighbors! Great for
Condos! Woohoo!
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Reviewed in the United States on May 17, 2026
★★★★★ 5
Awesome privacy
Color: Charcoal Gray, Size: 8 Panel
Awesome for around the pool for a little privacy this summer very durable construction well made
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Reviewed in the United States on April 26, 2026
★★★★★ 5
Great Divider
Comes assembled. It is heavy, but fairly easy to move and use. I’m 5’4, 110 and I can do it myself. It’s thick, it’s tall, it looks good, not sloppy or cheap. Doesn’t smell. Great room divider. We use it for our office between our desks.
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Reviewed in the United States on September 27, 2025
★★★★★ 5
Good purchase
Color: White, Size: 8 Panel
I bought this in white for use in a finished basement to hide equipment on the wall and create a nice space to place a bed. Because it doesn’t need to be moved and the room is temperature controlled, I expect it to last for a long time. The screen is pretty and I like that the woven material is not easily breakable. I’m pleased with the purchase.
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Reviewed in the United States on September 26, 2025
★★★★★ 4
Quality is good
Color: Black, Size: 6 Panel
Good one.
Some support need for it to stand
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Reviewed in the United States on January 28, 2026
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