CSF offers a fitting adapter kit for -10 AN Oil Lines on the CSF #8032 & #8240 Oil Coolers. AN lines are a very popular and common upgrade for engine swaps. Offering this fitting makes the installation process easier and provides additional options for customers and installers. CSF manufactures the most advanced and efficient radiator in the industry for your S54 Swap E36. CSF uses innovative tube and fin technologies with industry-leading testing methods to maximize airflow and heat dissipation. The CSF #8241 Cooling product is designed for engine swap applications. The product will install in the OEM Location but may require special hoses or connections. If you do not feel confident installing this product CSF recommends taking it to a qualified installation facility.