While you may not give much thought to the radiator, if it starts to leak, you can have all kinds of problems. In addition, if the radiator has a clog in it, the lifespan of this part can be greatly reduced. When shopping for used cars, you will want to make sure that the radiator, and other parts of the cooling system are in good condition.

For the most part, you will learn what you need to know about the radiator and cooling system during the test drive. You should take note of where the temperature settles after warming up, and if it fluctuates. As an example, if the temperature goes up while you are idling, there may be a serious cooling system problem. If you do not hear the fan kick in, that is even worse.

Either before or after the test drive, it is important to look all around the radiator for signs of leaks. Usually, there will be more of a chance of leaks at the bottom. You will also want to look for rust damage. Finally, it does not hurt to take note of the radiator fluid level.

Even if the car in question is a used BMW, examining the radiator is important. If you will also be shopping for car loans, you may want to ask to have the radiator flushed, or even replaced. Once you have settled these issues, and you are confident that the car is in good condition, your will also need to look for cheap car insurance. Once you are done with that step, you will be well on your way to completing the used car buying process.