The CSF #8081 Cooling product is designed to be a "Drop-In Fit" application. The product will install in the OEM Location with no modifications necessary unless otherwise noted or instructions are included in the product package. Please see the manufacturer repair manual for standard installation instructions. If you do not feel confident installing this product CSF recommends taking it to a qualified installation facility.. The engineers at CSF know cooling. So when it comes to keeping your transmission temps down as you push your F8X M3/M4/M2 Comp hard on the street or track, the CSF Trans Cooler is the obvious choice. With an increase in cooling efficiency of around 30%, you can drive with confidence knowing you won't be damaging your expensive transmission due to overheating.. CSF offers the best and most advanced Transmission Coolers on the market. Keeping your transmission temps down as you push your F8X M3/M4/M2 Comp hard on the street or track.. "Drop-in Fit" Requiring No Modifications to Install - Accepts All Attaching OEM Components Including Oil-Line Connections, Mounting Brackets and Shroud/Ducting. World's 1st and Only True "Plug-and-Play" Upgraded DCT Transmission Cooler for the BMW S55 Engine in the BMW F80 M3, F82/F83 M4, and F87 M2 Competition. Dual-Pass High Performance Core with 10 Cooling Tubes vs. OEM Single-Pass with Return Pipe 6-Tube Design. Made with CSF's AC Condenser Technology Using a 1-Row Super-High Pressure 26mm Multi-Channel Microtube. Lab Tested at approximately 30% More Efficient Than the OEM Cooler. BMW F8X M3 / M4 / M2 Comp (DCT) Transmission Cooler. CSF 2015+ BMW M3/M4 (F8X) DCT Oil Cooler. High-Density Multi-Louvered Fin Design. Replaces OEM Part Number: 17112284503. Automatic Transmission Oil Cooler. CSF 8081 - BMW F8X Trans Cooler. CSF Trans Cooler

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