WBM346Z Build Journal

As the car had done ~94k miles I thought it would be time to refresh the cooling system as part of the build project. It also gave me an opportunity to remove the viscous clutch fan, as I have never liked these. This is similar to my dislike for sleeving engines that aren't low-revving V8's, I have no science to support why I don't like them, I just don't. My main driver here was to upgrade to something better than stock with increased reliability. As with my other parts decisions I also wanted to stick to something that for the most part came as a ready to install kit specifically for the E46 M3. Fortunately (or unfortunately) there was a lot of options to chose from when it came to cooling upgrade for the E46 M3. I compiled a list of some of the options I reviewed / considered: Zionsville Radiator Fluidyne Radiator and Oil Cooler C&R Radiator and Oil Cooler Mishimoto Radiator and Oil Cooler CSF Radiator and Oil Cooler I am sure there is more opti...