OEM Power Steering Oil Cooler Assembly is located just in front of the radiator assembly. The Power Steering Cooler is designed to help maintain lower fluid temperatures to ensure longer pump, hose, and seal life in the power steering system.
By removing the factory power steering cooler, you will need to replace whatever fluid is lost. Z1 Motorsports recommends the usage of either the Factory Nissan or Redline Power Steering fluid, which available separately. You may find power steering fluid for you Q60 HERE.