The Mishimoto MMOC-F80-15K is a silver oil cooler kit for the BMW F8X M3 and M4 with the S55 engine. It is a direct-fit replacement bar-and-plate cooler with nylon-braided lines that replace the factory hardlines.
It measures 29.2 x 1.6 x 7 in with a core 10 mm thicker than stock for about 46 percent more volume. Hoses are nylon-braided -10AN, 1 ft 10 in and 3 ft 3 in, with adapters for the S55 oil pump fittings and a line separator bracket. Mishimoto cites about 0.44 qt of added capacity.
Mishimoto lists the application as M3 2015 to 2018 and M4 2015 to 2020. It rates the install as easy, with no cutting needed. Mishimoto backs it with a lifetime limited warranty for the original purchaser (receipt required). Track Ready Products stocks the Mishimoto MMOC-F80-15K. Add it to your cart with the rest of your build.
Nothing needs cutting. The cooler replaces the stock unit and hardlines.
Check fittings after the first miles. Use the adapters provided at the S55 oil pump.
Keep the line separator bracket installed so the hoses stay clear of moving parts.
