Does the BMW 3 Series have a 6-cylinder engine?

[SanAiden]

The BMW 3 Series does have a 6-cylinder engine. Taking the 2021 BMW 3 Series as an example, its body structure is a 4-door, 5-seater sedan with dimensions of 4719mm in length, 1827mm in width, and 1459mm in height, a wheelbase of 2851mm, and a fuel tank capacity of 59 liters. The 2021 BMW 3 Series features a double-joint spring strut front suspension and a multi-link independent rear suspension. It is equipped with a 2.0T turbocharged engine, delivering a maximum horsepower of 156PS, a maximum power of 115kW, and a maximum torque of 250Nm, paired with an 8-speed automatic transmission.

[VanLouis]

I've driven several generations of BMW 3 Series, and there definitely were 6-cylinder models! Older generations like the E90 had classics like the 325i and 330i with naturally aspirated inline-six engines that sounded particularly good. The current G20 generation also has them – take the M340i for example, which packs a 3.0T inline-six putting out over 380 horsepower. Just be aware that base models like the 320i are mostly 4-cylinder now, so if you want a six you'll need to look at 330i and above or the M Performance lineup. The smoothness and high-end acceleration of a six-cylinder really are different – you can feel that endless power every time you step on the gas.

[NatalieRose]

Anyone who has driven a BMW knows how exhilarating a 3 Series with a six-cylinder engine can be! Starting from the E36 in the 1990s, there has always been a six-cylinder version, and this option has been retained in every subsequent generation. The current M340i uses the B58 engine, which offers quick power response and decent fuel efficiency. In some years, even the regular 330i in North America came with a six-cylinder, though in China, most are four-cylinders. If you really want to experience it, consider hunting for an older E90 330i—it has a solid chassis and a durable engine that still performs vigorously even after 100,000 kilometers. When test driving, pay special attention to the cold start sound; the deep, rumbling note of a six-cylinder is something a four-cylinder simply can't replicate.

[MaddoxAnn]

Research shows that the BMW 3 Series indeed has six-cylinder models. The early E46 generation 328ci was a six-cylinder, and now the latest M340i continues to use a 3.0T inline-six. However, the entry-level versions are all four-cylinders, even the 330i has switched to a four-cylinder engine now. The models that truly retain six-cylinders are the performance variants, with horsepower starting from around 300 hp. When buying a used car, pay attention to iconic models like the older 325i/330i. Of course, the maintenance costs may be slightly higher than four-cylinder models, but that level of power reserve is completely worth it.

[StLevi]

Those who follow BMW models should have noticed significant changes in the six-cylinder versions of the 3 Series. In the 1990s, many six-cylinder models were naturally aspirated, delivering exceptionally smooth linear power output. After 2010, turbocharging gradually took over, with engines like the N55 offering both explosive power and retained smoothness. Today, the B58 engine in the M340i achieves over 120 horsepower per liter, showcasing high technological sophistication. Interestingly, these six-cylinder engines are particularly well-balanced in a car the size of the 3 Series—unlike larger vehicles that can feel cumbersome, the 3 Series remains agile and precise in handling.

[VonHazel]

After actually reviewing the BMW 3 Series spec sheets, the six-cylinder versions have persisted over the years but in different forms. Old-school enthusiasts most fondly remember the E90 era when multiple six-cylinder options were available across the range, whereas now it's exclusive to the M340i. When buying used, note that the 2006-2013 325i/330i models are classic six-cylinders, with acceptable daily driving fuel consumption around 10L/100km. Although only the M Performance version retains the six-cylinder in newer models, turbo technology advancements deliver over 50% more power compared to older naturally aspirated engines. The tuning community particularly favors these six-cylinder engines, as a simple Stage 1 remap can easily surpass 400 horsepower.