Some recipes are classics for a reason. Sometimes, the complexity and skill required to complete the process make it iconic, while sometimes, simplicity is the key. When it comes to the E6X platform M5 and M6, it's a glorious fusion of both concepts combining the simple muscle car formula with a drizzle of notoriously BMW clever engineering and technology. Now though, it's time to add our own zest to this dish, specifically in terms of the oil cooler.
