Protecting Perfection - Direct-Fit Oil Cooler R&D - Concept, Design, and Production Sample

Protecting Perfection - Direct-Fit Oil Cooler R&D - Concept, Design, and Production Sample

Oil is the lifeblood of any vehicle. Its lubrication properties keep all the metal bits inside of the engine from shredding each other to dust. While the M3 and M4 rise above just about every other run-of-the-mill commuter car, nothing knocks them down a few pegs quite like overheated oil or oil that finds its way out of the system.

External air-to-air oil coolers are typically seen on the sportier variants of any car, but we tend to find a lightweight, tube-and-fin construction. These are cheap and easy to produce but are often better suited for daily driving or maybe the occasional spirited rip down some back roads. They also tend to be more susceptible to damage.

The M3 is all about balance, as we went over in our intro post. For that reason, the engineers at BMW incorporated

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