For a normally aspirated 2.5, the 325i's showing against the clock is complete and impressive.

It is the most powerful normally aspirated straight-6 engine ever to be fitted to a production car.

Does this low opinion also apply to the normally aspirated 2.5 diesel?

Over its three-year production, a total of 395 normally aspirated Taimars were built.

The regulation expected to bring a new balance between supercharged and normally aspirated cars.

The normally aspirated engines were revised for increased power and torque.

The normally aspirated, avgas fueled 182 will remain in production through 2014.

Furthermore the engine must be normally aspirated, using a 4-barrel carburetor.

That name will only be applied to normally aspirated and diesel models henceforth.

Engines other than V10, normally aspirated, no larger than 3000cc, are banned.