Quote:
Originally Posted by yomny
If I'm not mistaken the 335is doesn't haven an oil cooler any different than the regular 335i. It has an additional smaller radiator and a heavy duty radiator fan but the oil cooler is like any other. The point of not adding another cooler is to be efficient and not redundant. Instead of having two average units, you replace it by one good one.
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Yeah, that's what I don't get. Why is having a secondary and primary oil cooler not as efficient as simply having one bigger oil cooler? Does the oil not equally flow through both oil coolers when you have the dual setup?