do88 BMW E46 M3 Engine Oil Cooler

do88 BMW E46 M3 Engine Oil CoolerMaximum Oil Cooling for Track and Road Unlock superior cooling performance for your BMW M3 E46 with the do88 Performance Engine Oil Cooler. Developed in house by do88, this all aluminium upgrade offers a huge leap in cooling efficiency over the factory unit designed for drivers who demand reliability, consistency, and durability under extreme conditions. Why Upgrade? Proven Cooling Gains 185% larger core volume 3276 cm vs 1148 cm OEM 50% larger active

Maximum Oil Cooling for Track and Road

Unlock superior cooling performance for your BMW M3 E46 with the do88 Performance Engine Oil Cooler. Developed in-house by do88, this all-aluminium upgrade offers a huge leap in cooling efficiency over the factory unit – designed for drivers who demand reliability, consistency, and durability under extreme conditions.

Why Upgrade?

Proven Cooling Gains

• 185% larger core volume – 3276 cm³ vs 1148 cm³ OEM

• 50% larger active cooling area – 575 cm² vs 383 cm² OEM

• 79% higher oil volume – 0.70L vs 0.39L OEM

These improvements translate directly to lower oil temperatures, reduced heat soak, and increased long-term reliability – critical for hard-driven track cars, endurance builds, or spirited road use.

Motorsport-Ready Durability

Built from high-grade aluminium and TIG-welded for strength, this cooler replaces failure-prone factory designs. CNC-machined oil line connections and brackets ensure leak-free, secure installation in demanding environments.

Plug-and-Play Fitment

Designed as a direct replacement, the do88 cooler mounts using OEM brackets and accepts factory oil lines with no modifications. Installation is straightforward and reversible, making it suitable for both dedicated track builds and dual-purpose road/track cars.

Key Features

• 185% increase in core volume

• 50% increase in active cooling area

• 79% higher oil capacity

• Full aluminium construction with CNC-machined fittings

• Direct fitment with OEM lines and brackets

• Designed for track, endurance, and fast-road use

Applications

• BMW M3 E46 (all model years, S54 engine)

Why Choose do88?

do88 are specialists in performance cooling solutions, renowned for their precision-engineered upgrades for BMW M cars. Their products are trusted worldwide in both motorsport and fast-road applications, ensuring performance without compromise.