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See more parts for BMW 230i
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If you're driving a Gen 1 B58 BMW from the F3X or F2X platforms, you probably know that these machines are becoming more popular among tuners and track enthusiasts. As these cars rack up miles and their prices drop, many owners are starting to push their limits. But let’s be real—the factory cooling system just isn’t cutting it anymore, especially if you’re cranking up the boost or swapping in a bigger turbo. That’s where the CSF High-Performance Radiator comes into play.
CSF has made a name for itself in the BMW community, and for good reason. They’ve been crafting some of the best cooling systems for the B58 engine, and this radiator is no exception. If you’re serious about performance, you want something that can handle the heat. The stock radiator is decent, but it’s got its weaknesses. It's a plastic tank with a single row aluminum core, which means it can struggle when you start pushing your car hard, especially on the track. Over time, those OEM parts can degrade—clogged tubes, damaged fins, and cracked tanks are all too common as the miles pile on.
The CSF radiator is built to last and designed for serious performance. It features a robust 2-Row 42mm aluminum core, which is a significant upgrade over the factory setup. The 5mm fins boost heat exchange efficiency by 20-25%, making sure your engine stays cool even under pressure. Plus, CSF’s exclusive B-Tube Technology enhances heat transfer by about 15% compared to the standard oval tubes. That’s some solid engineering that you can trust on track days or spirited drives.
Installation? Piece of cake. This radiator drops right into the factory location with zero modifications needed. You’re getting a true plug-and-play experience, so you can spend less time in the garage and more time enjoying your ride. And let’s not forget the all-aluminum construction—no more worrying about those flimsy plastic tanks giving out on you. It’s TIG-welded for maximum durability, and the hand-brushed satin finish looks pretty slick, too.
Here’s a quick rundown of what you’re getting:
- 20-25% increase in heat transfer efficiency thanks to CSF's exclusive 5mm fin technology
- Perfect for high-boost, big-turbo setups
- All-aluminum build for long-lasting durability
- Designed to work with factory or aftermarket heat exchangers
- 2-Row - 42mm Ultra-High-Performance Core
- Cooling Tubes with CSF's Exclusive B-Tube Technology
- Multi-louvered design for maximum airflow
- CNC Machined Mounting Brackets and OEM Style Inlet/Outlet
- Individually Leak and Pressure Tested
- 2-Year Limited Warranty
For the specs lovers out there:
- #Core Rows: 2-Row
- Core Thickness: 42mm
- #Cooling Tubes: 67
- #Cooling Fin Rows: 68
- Fin Height: 5mm
- Core Material: Aluminum
- Tank Material: Aluminum
- Construction: 100% TIG Welded
- OEM Part Numbers: BMW: 17118482623
And if you’re wondering about fitment, this radiator is compatible with:
- BMW F3X 340i (incl. xDrive) 2016-2019
- BMW F3X 440i (incl. xDrive) 2017-2020
- BMW F2X M240i (incl. xDrive) 2017-2021
- BMW F3X 330i w/ M Sport Package (incl. xDrive) 2017-2019
- BMW F3X 430i w/ M Sport Package (incl. xDrive) 2017-2020
- BMW F2X 230i w/ M Sport Package (incl. xDrive) 2017-2020
So, if you’re ready to keep your engine cool and running strong, the CSF High-Performance Radiator is a solid investment. It’s built for those who demand more from their BMW, whether you’re hitting the track or just enjoying a weekend drive.
Proposition 65
⚠ WARNING:
Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov
| Vehicle Make/Model | Year | Trims |
|---|---|---|
| BMW 230i | 2017-2018 | Base |
| BMW 230i xDrive | 2017-2018 | Base |
| BMW 330i | 2017 | Luxury Line |
| BMW 330i | 2017-2018 | Sport Line |
| BMW 330i | 2017-2018 | Base |
| BMW 330i | 2018 | M Sport |
| BMW 330i GT xDrive | 2017-2018 | Base |
| BMW 330i xDrive | 2017-2018 | Base |
| BMW 340i | 2016 | Sport |
| BMW 340i | 2016-2018 | M Sport |
| BMW 340i | 2016-2018 | Base |
| BMW 340i | 2016 | Luxury |
| BMW 340i GT xDrive | 2017-2018 | Base |
| BMW 340i xDrive | 2016-2018 | Base |
| BMW 430i | 2017-2019 | Base |
| BMW 430i | 2017-2019 | Sport Line |
| BMW 430i | 2017 | Gran Coupe Sport Line |
| BMW 430i Gran Coupe | 2017-2019 | Base |
| BMW 430i Gran Coupe | 2018-2019 | Sport Line |
| BMW 430i xDrive | 2017-2019 | Base |
| BMW 430i xDrive Gran Coupe | 2017-2019 | Base |
| BMW 440i | 2017-2019 | Base |
| BMW 440i | 2017-2019 | M Sport |
| BMW 440i | 2017 | Gran Coupe M Sport |
| BMW 440i Gran Coupe | 2017-2019 | Base |
| BMW 440i Gran Coupe | 2018-2019 | M Sport |
| BMW 440i xDrive | 2017-2019 | Base |
| BMW 440i xDrive Gran Coupe | 2017-2019 | Base |
| BMW M240i | 2017-2018 | Base |
| BMW M240i | 2017-2018 | Sport |
| BMW M240i | 2018 | M Performance Edition |
| BMW M240i xDrive | 2017-2018 | Base |
CSF Radiator
Anyone who needs a new radiator should consider buying a CSF radiator. A CSF radiator and CSF cooling system offers the best performance for driving and racing enthusiasts. If you have a faulty radiator or are looking to upgrade to a high-performance radiator, a CSF radiator will get the job done.
What is a CSF Radiator?During the last 40 years, CSF has manufactured over 10,000 different models of radiators, oil coolers, heat exchangers and condensers for Automotive, Truck, Industrial and Marine applications. Today, their products are sold in over 60 countries throughout the world. Their US Aftermarket Division stocks over 1000 models that cover over 2100 applications for all popular Import vehicles.
CSF supplies radiators and condensers that are designed to meet or exceed original equipment (OE) engineering specifications. Their plants meet ISO 9000 standards and provide parts to OE manufacturers, and to top it all off - check out their industry leading warranty. Simply put, you cannot buy, sell, install or own a better value radiator or condenser.
Why Should I Buy a CSF Radiator?A CSF radiator offers a number of benefits over the competition. Below, we explain the main reasons why you should buy a CSF radiator.
A Market Leader for over 45 YearsCSF has been a market leader for over 45 years, as the company was initially established in 1975 and have been selling CSF radiators ever since. Over time, a CSF radiator has become known for its innovative design and impeccable quality.
High-Quality Radiator TestingEvery single CSF radiator and CSF cooling system has been put through a rigorous series of tests to make sure every system is reliable and performs at a high level. In their testing lab, CSF puts in the time to make sure every product works perfectly.
Cutting-Edge TechnologyEach CSF radiator uses cutting-edge technology to bring customers the best CSF full cooling system possible. CSF racing radiators combine a high-efficiency core, advanced endtank designs, and innovative design and engineering to give our customers the most advanced and efficient radiator possible.
Get a CSF Radiator or CSF Cooling System From Vivid RacingVivid Racing carries a wide selection of CSF radiator products, including CSF cooling systems and other accessories. If you are interested in learning more or would like to purchase a CSF radiator, please contact Vivid Racing today by calling (480) 966-3040.
CSF takes pride in the quality of its products and offers one of the best warranty’s in the industry. Please refer to the CSF warranty card in the shipping carton for details.
CSF warranty is applicable only to the original owner of the vehicle. Original paper work verifying the proof of purchase and pre-installation cooling system checklist signed by the professional installer is required to process warranty claims.
All warranty claims should be directed to the point of purchase. Due to CSF’s established agreements with Authorized CSF Warehouse Distributors, CSF is unable to handle and/or process warranty related calls/inquires from any individuals – all inquires/warranty related claims should be directed to the point of purchase or an authorized warehouse distributor.
Take care of your radiator, as under circumstances listed below the warranty will be void.
If the radiator is installed and is returned deformed (bulging tanks, warped core etc.), this is an indication that the radiator is the victim of some other problem and not the cause. The deformation is a result of the radiator being subjected to extremely high pressure and or temperature caused by any of the following reasons:Defective Pressure Cap, Defective Head Gasket, Defective Temperature gauge (incorrect readings), Defective Water Pump etc. Such units are not covered under the warranty.
If a radiator seems to have a “fit problem†there is the possibility that there is some confusion about a multi-fit radiator that might look different. Your nearest CSF WD can clarify the application, just give them a call. A perceived fit problem is not covered under warranty.
If a unit is damaged in shipping, please file a claim with the carrier. Damages caused during shipping, installation or handling are not covered under warranty.
Any repairs or alterations to the unit will automatically void the warranty.
Any form of abuse, including the use of improper coolant mixtures, damage caused by steam, corrosion etc and use on commercial vehicles voids the warranty. It is the vehicle owners’ responsibility to maintain the cooling system as specified in the owners manual.
CSF warranty is applicable only to the original owner of the vehicle. Original paper work verifying the proof of purchase and pre-installation cooling system checklist signed by the professional installer is required to process warranty claims.
All warranty claims should be directed to the point of purchase. Due to CSF’s established agreements with Authorized CSF Warehouse Distributors, CSF is unable to handle and/or process warranty related calls/inquires from any individuals – all inquires/warranty related claims should be directed to the point of purchase or an authorized warehouse distributor.
Take care of your radiator, as under circumstances listed below the warranty will be void.
If the radiator is installed and is returned deformed (bulging tanks, warped core etc.), this is an indication that the radiator is the victim of some other problem and not the cause. The deformation is a result of the radiator being subjected to extremely high pressure and or temperature caused by any of the following reasons:Defective Pressure Cap, Defective Head Gasket, Defective Temperature gauge (incorrect readings), Defective Water Pump etc. Such units are not covered under the warranty.
If a radiator seems to have a “fit problem†there is the possibility that there is some confusion about a multi-fit radiator that might look different. Your nearest CSF WD can clarify the application, just give them a call. A perceived fit problem is not covered under warranty.
If a unit is damaged in shipping, please file a claim with the carrier. Damages caused during shipping, installation or handling are not covered under warranty.
Any repairs or alterations to the unit will automatically void the warranty.
Any form of abuse, including the use of improper coolant mixtures, damage caused by steam, corrosion etc and use on commercial vehicles voids the warranty. It is the vehicle owners’ responsibility to maintain the cooling system as specified in the owners manual.
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