Long before I bought my 2011 BMW 128i, I’d heard of a factory-sourced modification called the three-stage intake manifold. It’s quite possibly the most talked-about modification among those who ...

I’ve gained a lot of respect for (and interest in) the power of 3D printing custom car parts after chatting with a 3D designer. Today, another really cool perspective on this style of manufacturing ...

Your intake manifold. It takes in air and sends it to your engine's combustion chamber. This is basically the start of the combustion process. After all, you can't have combustion without air.

Evan Williams is an automotive journalist and mechanical engineering technologist with more than a decade of experience in the industry. He has written for the Toronto Star and AutoTrader Canada and ...

In the March issue we tackled some common and not-so-common power adders for the S50 3.0 and S52 3.2 motors found in '95-99 BMW E36 M3s (and some first-generation Z3 M Roadsters). We followed that in ...

Sometimes theory is neat, but sometimes it fails to describe what actually takes place. The theory of internal combustion engines falls into this category, especially with respect to the function of ...

In the first installment we dealt with the essentials of spec intake manifolds. The story was intended to establish a level of understanding that would enable more specific information to be helpful, ...