SKU: 44464436342

CSF Radiators BMW B58 Triple Pass Heat Exchanger For BMW M140i, M240i, 340i & 440i

$440.98 $489.98
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  • USA
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Ships within 48 hours · Estimated delivery Jul 11 - Jul 16

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For Your Every Summer RSVP, with Code: SUMMER15

Description

CSF Radiators BMW B58 Triple Pass Heat Exchanger For BMW M140i, M240i, 340i & 440iUpgrade your BMW M140i, M240i, 340i, or 440i with the CSF Radiators BMW B58 Triple Pass Heat Exchanger. Designed for high performance cooling, this advanced heat exchanger features a triple pass design that maximizes cooling efficiency and reduces heat soak, ensuring optimal engine performance even under the most demanding conditions. Crafted from premium materials, the CSF heat exchanger offers superior durability and longevity. Its precise fit and

Upgrade your BMW M140i, M240i, 340i, or 440i with the CSF Radiators BMW B58 Triple Pass Heat Exchanger. Designed for high-performance cooling, this advanced heat exchanger features a triple-pass design that maximizes cooling efficiency and reduces heat soak, ensuring optimal engine performance even under the most demanding conditions. Crafted from premium materials, the CSF heat exchanger offers superior durability and longevity. Its precise fit and easy installation make it an ideal upgrade for enthusiasts looking to enhance their BMW's cooling system. Experience improved reliability and performance with the CSF Radiators BMW B58 Triple Pass Heat Exchanger.

Radiator Features

  • Core Size: 524mm Length x 478mm Height x 69mm Wide
  • 68mm 2-Row Core with CSF's B-Tube Technology (World's Largest 2-Row Core)
  • 6.5mm Multi-Louvered Fin Height
  • Triple-Pass Flow Design
  • Included Detachable Rock Guard
  • OEM CNC Machined Mounting Location Pins and Brackets
  • Direct Plug-and-Play Design, Including CNC Machined "Quick Connect" Inlet/Outlet Water Fittings
  • No Modifications Needed to Install
  • Semi-Gloss Black Finish
  • Replaces OEM Part Number: 17118741830

Vehicle Fitment

  • 2017-2021 BMW F22 230i - Turbocharged 2.0L L4
  • 2017-2021 BMW F23 230i - Turbocharged 2.0L L4
  • 2017-2021 BMW F22 230i xDrive - Turbocharged 2.0L L4
  • 2017-2021 BMW F23 230i xDrive - Turbocharged 2.0L L4
  • 2016-2018 BMW F30 330e - Turbocharged 2.0L L4
  • 2017-2018 BMW F30 330i - Turbocharged 2.0L L4
  • 2017-2018 BMW F34 330i GT xDrive - Turbocharged 2.0L L4
  • 2017-2018 BMW F30 330i xDrive - Turbocharged 2.0L L4
  • 2017-2019 BMW F31 330i xDrive - Turbocharged 2.0L L4
  • 2016-2018 BMW F30 340i - Turbocharged 3.0L L6
  • 2017-2019 BMW F34 340i GT xDrive - Turbocharged 3.0L L6
  • 2016-2018 BMW F30 340i xDrive - Turbocharged 3.0L L6
  • 2017-2020 BMW F32 430i - Turbocharged 2.0L L4
  • 2017-2020 BMW F33 430i - Turbocharged 2.0L L4
  • 2017-2020 BMW F32 430i xDrive - Turbocharged 2.0L L4
  • 2017-2020 BMW F33 430i xDrive - Turbocharged 2.0L L4
  • 2017-2020 BMW F36 430i xDrive Gran Coupe - Turbocharged 2.0L L4
  • 2017-2020 BMW F32 440i - Turbocharged 3.0L L6
  • 2017-2020 BMW F33 440i - Turbocharged 3.0L L6
  • 2017-2020 BMW F36 440i Gran Coupe - Turbocharged 3.0L L6
  • 2017-2020 BMW F32 440i xDrive - Turbocharged 3.0L L6
  • 2017-2020 BMW F33 440i xDrive - Turbocharged 3.0L L6
  • 2017-2020 BMW F36 440i xDrive Gran Coupe - Turbocharged 3.0L L6
  • 2017-2021 BMW F22 M240i - Turbocharged 3.0L L6
  • 2017-2021 BMW F23 M240i - Turbocharged 3.0L L6
  • 2017-2020 BMW F22 M240i xDrive - Turbocharged 3.0L L6
  • 2017-2020 BMW F23 M240i xDrive - Turbocharged 3.0L L6

Replaces OEM part numbers:

  • BMW: 17 11 8 741 830
  • BMW: 17-11-8-741-830
  • BMW: 17118741830
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. 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
SKU: 44464436342

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4.5 ★★★★★
Based on 731 reviews
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Product Reviews
V
Verified Purchase
Victoria
Bozeman, US
★★★★★ 3
Not very comfortable
Color: Black, Size: 42D
Just okay. Provides support but doesn’t particularly minimize and isn’t very comfortable.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 31, 2026
L
Verified Purchase
Lucy
Whiting, US
★★★★★ 5
Birthstone necklace
Color: 04.Emerald Cut, Style: 03. March (Aquamarine)
Beautiful necklace. I was surprised.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 19, 2026
X
Verified Purchase
Xhante V.
Omaha, US
★★★★★ 5
Gorgeous!
Color: 01.Heart Cut, Style: 04. April (Diamond)
I love this necklace! I wanted something that represented my birthstone, but did not cost a fortune and could be easily replaced if it’s ever lost. I have very sensitive skin. Seriously, I’m even allergic to gold unless it’s pure. This necklace is perfect. The chain hasn’t bothered the skin on my neck since I put it on. The size is perfect for me. It sits exactly where I want it to. The pendant is a true Goldilocks - not too big, not too small, but just right! I love the way it looks in the sun! Sparkles, sparkles, sparkles! This is definitely going to be my go to, everyday piece. I highly recommend this to anyone who is even a little bit interested in buying it. You won’t be disappointed. It makes a wonderful gift for ladies and girls of all ages, or simply as a treat to yourself! Choose your birthstone or your favorite color! In fact, I’m considering which color to purchase next. Can’t say enough how much I am in love with this amazing piece!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 1, 2019
F
Verified Purchase
Favorite daughter
Dallas, US
★★★★★ 5
Great gift 🎁
Color: 03.Pear Cut, Style: 02. February(Amethyst)
It was perfect for my daughter. Light weight and as described. It looks great
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Reviewed in the United States on February 4, 2026
D
Verified Purchase
Dawn Taney
Grantham, US
★★★★★ 4
Sparkling ✨️ Pretty
Color: 02.Round Cut, Style: 04. April (Diamond)
The chain is very nice, can adjust it to 16 to 18inches. Appears to be 925 sterling sliver. The diamond charm is about a diime in size. It's sparkling and pretty. I can't decide if the charm is to big or not for me. All in all 40. Spent on it was ok but no more.
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Reviewed in the United States on January 10, 2026

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