Wanna see some boss cars? Type "external oil coolers" into Google image search. : r/Autos
External Oil Cooler Plate BMW M57 | Iconic 4x4 Parts
BOSS Cooler Premium Oil Cooler from CSF - CSF Race
Relocating the Oil Cooler | SaabCentral Forums
Japanese thing ... radiator outside of car? : r/cars
Engines Accessories-Oil Cooler Kits
External Oil Cooler Plate For M57N and M57N2 | House of Torque
External Oil Cooler Plate For M57N and M57N2 | House of Torque
2920A103, Metal Alloy High Heat Transfer Lightweight External Transmission Oil Cooler High Strength Gearbox Oil Radiator for Car : Amazon.co.uk: Automotive
914World.com | Rear Mounted Oil Cooler?
External Oil Cooler Plate For M57N and M57N2 | House of Torque
BMW External Oil Cooler Kit for M57N / M57N2 Engines