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

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

Unless explicitly stated otherwise, all products sold by R44 Performance Limited are designated RACE ONLY and are solely for competition or off-road use limited to racing formally sanctioned by a recognized racing organization. Any other use, including recreational off-road use, may violate local, state, and Federal laws. R44 Performance Limited does not implicitly or explicitly confirm the legality of using any products it sells on public roads; that is entirely the responsibility of the consumer.

It is the responsibility of the customer to check with all federal, state local and environmental laws before ordering and installing a product. R44 Performance Limited is not responsible for any fees, fines or costs that a customer may incur as a result of failing to check with federal, state, local or environmental laws before ordering and installing a product.

We get a large number of custom orders and requests everyday, so as a result it is not always possible for us to keep every item in stock at all times in our warehouse. If you require the item urgently please contact our sales team here to check the stock before you make your purchase.

We totally understand if you're not certain a part will be compatible with your car, so we highly recommend contacting us here with your query. Our friendly sales team will then be in touch to confirm if this part is the correct part you are looking for.

All in stock products ship the same day if ordered before 2pm GMT

For out of stock items we will contact you with an estimated wait time if not otherwise specified above.

We offer worldwide shipping on all products. If upon receiving your product you wish to return; we offer a 30-day returns policy. For our in-depth returns information please follow the link. "R44 Returns Policy

All of our products come with a standard warranty of 1-3 years. This is dependant on the type of product however. For more details please see our warranty page here.