The Devastating Effects of Overheating on a BMW Engine

A BMW N26 turbocharged 2.0-liter four-cylinder engine undergoes a teardown, revealing signs of overheating and serious damage. The engine arrives with a hole in the valve cover and loose bolts, indicating mishandling during shipping. Further examination shows mismatched fasteners and a plastic timing chain guide manufactured in 2022, despite the engine being out of production since 2016. The teardown exposes burnt sections and cracks in the cylinder head, rendering the engine irreparable. The origin and history of the engine remain unknown.