do88 BMW E46 M3 Aluminium Radiator
Product Description
Race-Proven Cooling, Built Without Compromise
The do88 Performance Radiator for the BMW M3 E46 is engineered to keep coolant temperatures under control during the most demanding conditions. With a larger core, triple-pass design, and all-aluminium construction, it’s the ultimate upgrade for drivers who need uncompromising reliability and efficiency on road, track, or endurance events.
Why Upgrade to a do88 Radiator?
Increased Core Volume & Efficiency
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17% larger core volume – 11,736 cm³ vs. 10,068 cm³ OEM
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Triple-pass design – coolant is directed across the core three times for maximum heat transfer
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Significantly reduces coolant temperatures compared to the stock plastic/aluminium hybrid unit
Built for Motorsport Conditions
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Fully aluminium construction with uninterrupted TIG welds for strength and reliability
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Eliminates fragile OEM plastic end tanks, preventing leaks and failures common in track use
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Drop-in fitment with no cutting or modifications required
Enhanced Features for Serious Drivers
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Includes new silicone hoses for a complete installation
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Supplied with Bosch temperature sensor for factory integration
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Built-in port for additional temp sensor (M12x1.5) – ideal for monitoring or aftermarket fan control
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Pre-fabricated front brackets to mount a do88 auxiliary oil cooler
Key Features at a Glance
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17% increase in core volume vs OEM
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Triple-pass water flow design for superior cooling
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All-aluminium construction, no plastic quick-connects
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Bosch sensor + extra sensor take-off included
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CNC-machined fittings and brackets
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Supplied with new hoses
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Prepared for additional do88 oil cooler fitment
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Direct drop-in installation
Applications
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BMW M3 E46 (2000–2006, S54 engine)
Why Choose do88?
do88 are Swedish cooling specialists trusted by enthusiasts and racers worldwide. Every product is developed with rigorous in-house testing, CFD design, and track validation to guarantee performance with no compromises. Whether you’re chasing lap times or simply looking for long-term reliability, do88 parts deliver.
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.
