Which 3 Series BMW Engine Is The Best?
Photo by Fabian Albert on Unsplash The BMW 3 Series is one of those rare cars that feels right the moment you drive it. Balanced steering, a smooth gearbox, and engines that always seem to have more to give. But over its long history, from the late ’70s E21 to today’s tech-filled G20, BMW has fitted the 3 Series with a range of engines, some more reliable and rewarding than others. If you’ve ever wondered which 3 Series engine stands out as the best, the one that blends reliability, performance and that unmistakable BMW feel, let’s take a closer look in this article. How BMW 3 Series Engines Evolved E21 (1975–1983): The Start of a Legacy The very first 3 Series came with two engine options: the M10 four-cylinder and the M20 six-cylinder. Both were straightforward, durable, and easy to work on. The M20 in particular gave the E21 its signature balance: silky smooth and surprisingly powerful for its size. Today, these engines are pure nostalgia, built like tanks, but understandably ...
