CSF Dual Pass Transmission Cooler BMW E9X M3
Product Description
Upgrade your BMW E9X M3 and 335i Series transmission cooling with the CSF Transmission Oil Cooler, designed by the experts at CSF who understand the intricacies of high-performance cooling. Whether you’re pushing your BMW E9X M3 or 335i to its limits on the road or track, this transmission cooler ensures optimal performance and protection. With an impressive 30% increase in cooling efficiency, you can drive with confidence knowing your transmission is safeguarded from overheating and potential damage.
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Advanced Cooling Technology
Utilises CSF's AC Condenser Technology with a 1-Row Super-High Pressure 22mm Wide 11-Channel Microtube for superior cooling.
High-Performance Core
Features a dual-pass core with 11 cooling tubes, surpassing the OEM's 10-tube design for enhanced cooling efficiency.
Enhanced Surface Area
High-density, multi-louvered fin design provides 20% more surface area contact compared to the OEM unit.
Easy Installation
True "drop-in fit" design requires no modifications and is fully compatible with all OEM components, including oil-line connections, mounting brackets, and shroud/ducting.
Proven Efficiency
Lab tested to be approximately 30% more efficient than the OEM cooler, ensuring your transmission stays cool under pressure.
First of Its Kind
The world's first true "plug-and-play" transmission cooler specifically engineered for the E9X M3 platform.
Compatibility
This transmission oil cooler is compatible with the following BMW models:
- BMW 335i (2007-2013): E90, E92, E93 with Turbocharged 3.0L L6
- BMW 335i xDrive (2009-2013): E90, E92 with Turbocharged 3.0L L6
- BMW 335is (2011-2013): E92, E93 with Turbocharged 3.0L L6
- BMW 335xi (2007-2008): E90, E92 with Turbocharged 3.0L L6
- BMW M3 (2008-2013): E90, E92, E93 with 4.0L V8
- BMW X1 xDrive35i (2013-2015): E84 with Turbocharged 3.0L L6
*Replaces OEM Part Number: 17227521376
Drive with confidence and enhance your BMW’s performance with the CSF Transmission Oil Cooler. Engineered for maximum efficiency and ease of installation, this cooler is the ultimate upgrade for any BMW enthusiast looking to protect their transmission and push their vehicle to its full potential.
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.
