Straight success.

The straight six-cylinder petrol engines in the
BMW Z4 Roadster.

For relaxed cruising and plenty of accelerating potential: straight six-cylinder petrol engines offer the ideal mix of weight and strength, paired with dynamic balance and comfortable running smoothness. A unique performance that the straight six-cylinder petrol engine of the BMW Z4 Roadster combines with elasticity and impressive efficiency. The BMW TwinPower Turbo engine in the BMW Z4 sDrive35i with two turbochargers, double-Vanos and High Precision Injection runs with a sophisticated smoothness that belies its massive power output of 225 kW (306 hp). Even more impressive is the BMW Z4 sDrive35is with 250 kW (340 hp) and enormous torque of up to 500 Nm for guaranteed and uncompromised driving pleasure.