Can you imagine a BMW line-up without boxer engines? The emblematic image of the two bulging cylinders is inextricably linked to the brand. So probably BMW won’t bury their flat-twin any time soon. In any case, they continue developing it. Because the competition doesn’t stand still either of course.

One hundred years after the birth of the very first BMW boxer engine, the M2B15, BMW adds another chapter to its boxer book with the introduction of the brand-new 1250 two-cylinder. The new engine is available in four flavors: GS, RT, RS and R. With the latter you experience the flat-twin in its purest form.

All aboard the VVT train

The last 1200 boxer engine dated from 2013. With the development of the new 1250, BMW focused first and foremost on more muscle in low rpms. The engine displacement increased from 1,170 to 1,254 cc, the horse stable was expanded from 125 to 136 stallions, and the peak torque climbed from 125 Nm (at 6,500 rpm) to 143 Nm (at 6,250 rpm).

Next to those boosted figures, BMW makes its debut with the ShiftCam technology, also referred to as variable valve timing. While some brands have already been using this technique for years, the Bayern Boys are only now boarding the VVT train. The Euro5 standard seems to Continue reading →