How to fix a leaking oil cooler on an Audi A4?

I recently noticed oil spots underneath my Audi A4 and upon inspection, I found out that the oil cooler is leaking. What steps should I take to fix it and any tips to prevent it from happening again?

Firstly, make sure to purchase a new oil cooler and have the necessary tools on hand. Begin by draining the coolant and disconnecting the oil cooler hoses. Then, remove the old oil cooler and install the new one in its place. Make sure all connections are secure and refill with coolant. As for prevention, regularly check the oil cooler for any signs of leaks and replace as needed.

I recommend taking your Audi to a certified mechanic for this repair. It can be a complex process and it's important to get it done correctly. They can also check for any other potential leaks or issues that may arise.