I had the OEM Oil Cooler retrofit (free, approved by BMW NA), and my oil temps have been stable at all of my track sessions (not a single overheat trip). Prior to that, it would get seriously high in just spirited street driving. So if you already have the OEM one, there's no need to upgrade to a Dinan or aftermarket at this time. Re-evaluate when you have more power mods.
Just make sure yours is in place. Check under the front right wheel well and if you see a 'vented' mud flap piece (dunno the right terminology), then you have have an oil cooler. I understand that not all stock cars w/ sports package comes with the OEM oil cooler.
Good luck and have fun!
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Originally Posted by JPA
Thanks. Do I need to upgrade the existing oil cooler that came with the car or just make sure mine is in place? If upgrade is required, is there a consensus on the top couple of models/manufacturers?
And yes definitely a LSD -- strange this car doesn't come with one.
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