BMW makes one of the most refined engines in the automotive world. But sometimes even the best machines wear down, especially when you are dealing with used BMW engines. It is very important to know what can go wrong and how to fix it when it does, whether you are choosing from a salvage yard, buying online, or swapping one into a project car. In this detailed guide, we will discuss t... https://carengineguru.com/used-bmw-engines-common-problems-and-expert-guide-on-how-to-fix-them/