do88 BMW E46 M3 Aluminium Radiator

By DO88
£485.00
Available – Dispatched within 4–6 Days

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

  • 17% larger core volume – 11,736 cm³ vs. 10,068 cm³ OEM

  • Triple-pass design – coolant is directed across the core three times for maximum heat transfer

  • Significantly reduces coolant temperatures compared to the stock plastic/aluminium hybrid unit

Built for Motorsport Conditions

  • Fully aluminium construction with uninterrupted TIG welds for strength and reliability

  • Eliminates fragile OEM plastic end tanks, preventing leaks and failures common in track use

  • Drop-in fitment with no cutting or modifications required

Enhanced Features for Serious Drivers

  • Includes new silicone hoses for a complete installation

  • Supplied with Bosch temperature sensor for factory integration

  • Built-in port for additional temp sensor (M12x1.5) – ideal for monitoring or aftermarket fan control

  • Pre-fabricated front brackets to mount a do88 auxiliary oil cooler

Key Features at a Glance

  • 17% increase in core volume vs OEM

  • Triple-pass water flow design for superior cooling

  • All-aluminium construction, no plastic quick-connects

  • Bosch sensor + extra sensor take-off included

  • CNC-machined fittings and brackets

  • Supplied with new hoses

  • Prepared for additional do88 oil cooler fitment

  • Direct drop-in installation

Applications

  • 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.

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