CSF Radiators BMW B58 Gen1 High Performance Radiator For BMW F Series Vehicles

Take your BMW F Series cooling system to the next level with the CSF Radiators B58 Gen1 High Performance Radiator – a premium, race-proven upgrade designed for maximum reliability and efficiency. Whether you’re pushing your B58 engine on track or enhancing thermal performance for daily driving, this radiator delivers superior heat management and long-term durability. Crafted using CSF’s advanced 2-row, 42mm core with exclusive B-tube technology and high-density multi-louvered fins, this unit offers up to 20–30% better heat dissipation over stock.

Constructed from aerospace-grade aluminium and TIG-welded for strength, the CSF radiator features CNC-machined mounting points and brackets to ensure a perfect, hassle-free fit. Compatible with the factory fan shroud, radiator hoses, and A/C condenser, this plug-and-play solution provides peace of mind and performance in one sleek package.

Key Features:

• 2-row, 42mm ultra-efficient aluminium core for enhanced cooling performance
• CSF's exclusive B-tube technology for improved heat transfer
• High-density multi-louvered fins for maximum airflow
• TIG-welded construction for superior strength and durability
• CNC-machined mounting points and brackets for factory-like fitment
• Direct plug-and-play installation with OEM components
• Compatible with OEM fan shroud, hoses, and A/C condenser
• Finished with a professional-grade satin black coating for stealth looks
• Tested and proven for both street and track use

Compatibility:

Designed specifically for BMW F Series models equipped with the B58 Gen1 engine, including:

• BMW F20 M140i
• BMW F21 M140i
• BMW F22 M240i
• BMW F30 340i
• BMW F31 340i
• BMW F32 440i
• BMW F33 440i
• BMW F36 440i Gran Coupe

This radiator is a direct-fit replacement for the OEM unit and is ideal for high-performance or tuned applications looking for better thermal efficiency and engine longevity.

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.