Mosselman Twin Oil Cooler Extension Kit For BMW E9X 335iUpgrade the Mosselman Single Oil Cooler Kit of your BMW 335i E9X to a Twin cooler setup with this Twin Cooler Extension Kit E8x. The twin setup is recommended for cars in a very warm climate and cars that will be used on a track. The Twin Extension kit comes with the 1x Setrab 19 row oil cooler, 1x stainless Mosselman bracket, 1x Mounting bracket, and a hose kit (1 oil hose). Note: This item is not ''plug and play''. You will need to make some