CSF High Performance Charge Cooler BMW F8X M2 M3 M4

Product Description

The CSF Charge-Air-Cooler is a high-performance top-mount cooling upgrade for the BMW S55 engine, designed for the F87 M2 Competition, F80 M3, F82 M4 and F83 M4.

Built to combat heat soak and maintain consistent intake temperatures, this charge-air-cooler provides significantly improved heat dissipation for high-performance road driving, track use and tuned turbocharged applications.

Featuring the world’s first cast end tank top-mount charge-air-cooler design for the BMW S55 engine, the CSF cooler uses advanced air dividers, a 60% larger core than OEM and a left / right cross-flow dual-pass core with 2-stage water cooling to maximise efficiency.

Designed as a direct drop-in fit, it uses OEM-style quick-connect water connections and sensor ports for straightforward installation, with no modifications required.

Available in Crinkle Black Powder-Coated Finish or Raw Aluminium, the CSF Charge-Air-Cooler delivers improved cooling performance, strong construction quality and a professional finish for demanding S55 builds.

Key Features

CSF Charge-Air-Cooler
Designed for the BMW S55 engine
Suitable for BMW F87 M2 Competition
Suitable for BMW F80 M3
Suitable for BMW F82 M4
Suitable for BMW F83 M4
High-performance top-mount charge-air-cooler upgrade
Designed to combat heat soak
Helps reduce intake temperatures
Helps preserve power output under load
Suitable for road use
Suitable for track use
Suitable for tuned turbocharged applications
World’s first cast end tank top-mount charge-air-cooler for the BMW S55 engine
Innovative cast end tank design
Advanced internal air dividers
Improved airflow distribution
60% larger core than OEM
Increased capacity for heat transfer
Left / right cross-flow core design
Dual-pass core configuration
2-stage water cooling
Enhanced heat dissipation
Improved charge-air cooling efficiency
Designed using 3D scanning
Developed with rapid prototyping
Precise fitment
Optimised surface area utilisation
Drop-in fitment
No modifications required
OEM-style quick-connect water connections
OEM-style sensor ports
Available in Crinkle Black Powder-Coated Finish
Available in Raw Aluminium
Custom powder-coating options available subject to surcharge
Backed by a 2-year limited warranty with CSF
Replaces BMW OEM Part Number 17517846235

Vehicle Compatibility

BMW F87 M2 Competition 2019–2021 3.0L Turbocharged L6
BMW F80 M3 2015–2018 3.0L Turbocharged L6
BMW F82 M4 2015–2020 3.0L Turbocharged L6
BMW F83 M4 2015–2020 3.0L Turbocharged L6
OEM part numbers referenced:
BMW 17 51 7 846 235
BMW 17-51-7-846-235
BMW 17517846235
Please confirm exact vehicle model, production year, S55 engine fitment, OEM part number and finish option before ordering.

What's Included

CSF Charge-Air-Cooler
Cast end tank top-mount charge-air-cooler
60% larger core than OEM
OEM-style quick-connect water connections
OEM-style sensor port provisions
Selected finish option
Available finishes:
Crinkle Black Powder-Coated Finish
Raw Aluminium
Coolant, additional hoses, sensors, fitting hardware, custom powder-coating, fitting consumables and additional cooling components are not included unless supplied separately.

FAQs

What does the CSF Charge-Air-Cooler do?

It replaces the factory top-mount charge-air-cooler with a higher-capacity unit designed to reduce intake temperatures, combat heat soak and help maintain power under load.

Which engine is it designed for?

It is specifically engineered for the BMW S55 engine.

Which vehicles does it fit?

It fits the BMW F87 M2 Competition, F80 M3, F82 M4 and F83 M4 models listed in the compatibility section.

Does it fit the standard F87 M2?

The supplied information lists the 2019–2021 BMW F87 M2 with the turbocharged 3.0L L6 engine, which refers to the S55-powered M2 Competition application. It does not list the earlier N55-powered M2.

How much larger is it than the OEM cooler?

The supplied information states that the core is 60% larger than the OEM cooler.

What makes the end tank design different?

It is described as the world’s first cast end tank top-mount charge-air-cooler for the BMW S55 engine, with advanced air dividers for improved airflow.

What type of core design does it use?

It uses a left / right cross-flow, dual-pass core with 2-stage water cooling.

Does it help with heat soak?

Yes. It is designed to improve heat dissipation, reduce intake temperatures and combat heat soak during high-load driving.

Is it suitable for track use?

Yes. It is designed for road and track use where consistent charge-air cooling is required.

Is it a direct-fit upgrade?

Yes. It is described as a drop-in fit with no modifications required.

Does it use OEM-style connections?

Yes. It uses OEM-style quick-connect water connections and sensor ports.

What finishes are available?

It is available in Crinkle Black Powder-Coated Finish or Raw Aluminium.

Can it be custom powder-coated?

Yes. Custom powder-coating options are available subject to an applicable surcharge.

Does it come with a warranty?

Yes. It is backed by a 2-year limited warranty with CSF.

Which OEM part number does it replace?

It replaces BMW OEM Part Number 17517846235, also shown as 17 51 7 846 235 and 17-51-7-846-235.

What should I check before ordering?

Please confirm your exact BMW model, production year, S55 engine fitment, OEM part number, finish option and any custom powder-coating requirements before ordering.

Shipping & Delivery

Dispatch Times

Most stocked items dispatch within 1–2 business days. Some products may have longer lead times due to special ordering, availability, or build times. If your order contains multiple items, they may be shipped together once all items are ready unless otherwise agreed.

UK & International Shipping

We ship worldwide. Transit times vary depending on destination and courier. Tracking details are provided once your order is dispatched.

Import Duties & International Orders

International customers are responsible for all import duties, taxes, and clearance fees. These are not included in our prices and are outside of our control. Refusal or non-payment of import charges may result in return shipping, handling fees, and customs charges being deducted from any refund.

Damaged Shipments

If your parcel arrives visibly damaged, please refuse delivery or note the damage with the courier. If damage is discovered after opening, contact us immediately with photos. Do not install damaged items, as installation voids courier claims and return eligibility.

Returns

Returns must be authorised before sending anything back. Returns must be requested within 14 days of delivery and returned within 14 days of approval, in unused/uninstalled condition and in original packaging. Some items, including special-order, built-to-order, used, installed, or modified parts, are non-returnable.

Full details are available in our Shipping Policy and Returns & Refund Policy.

Warranty & Disclaimer

Warranty

Most products include a manufacturer’s warranty covering manufacturing defects only. Warranties do not cover wear and tear, improper installation, misuse or neglect, track use, competition or racing environments, labour costs, vehicle damage, downtime, or consequential loss. Warranty outcomes are determined by the manufacturer, not Clubsport Garage. Items must be returned for inspection at the customer’s cost unless agreed otherwise.

Fitment & Installation

Many products are aftermarket components and may require professional installation or minor adjustment. Perfect OEM-level fitment cannot be guaranteed. Professional installation by an experienced workshop is strongly recommended. Installed or used items cannot be returned.

Motorsport Use Disclaimer

Some products are intended for off-road, track, or motorsport use only and may not be legal for road use, for example non-TÜV/DOT-approved parts. It is the customer’s responsibility to ensure compliance with local laws, insurance requirements, and vehicle regulations. By purchasing and installing aftermarket parts, you accept all responsibility for ensuring compatibility, legal compliance, proper installation, and any resulting wear, damage, or failure.

Product Images & Descriptions

Product photos are illustrative and may differ slightly from the item supplied. If specific details are important, please contact us before purchasing.

Full details are available in our Terms of Service and related policy pages.