BMW Z4 sDrive18i : New Entry-level Engine for the BMW Roadster

The current, so-called "facelift" for the BMW Z4 holds ready manageable updates. The most important innovation in the BMW Z4 range: the new entry-level engine "sDrive 18i" with 156 hp. 

Under the long bonnet of the BMW Z4 sDrive18i a 2.0-liter engine works with BMW TwinPower Turbo technology. At a speed of 5,000 revolutions per minute, the unit braces a maximum output of 156 hp to the rear axle. Between 1,250 and 4,400 rpm, the new variant of the four-cylinder drive its maximum torque of 240 Newton meters. The new BMW Z4 sDrive18i is equipped with a six-speed manual transmission and optional with an eight-speed Sports automatic gearbox. The sprint from zero to 100 km / h to the Z4 sDrive 18i in 7.9 seconds (automatic: 8.1 seconds) complete, its top speed will be 221 km / h.

Determined in the EU test cycle average fuel consumption of the BMW Z4 sDrive18i is to be both manual and automatic transmission respectively with 6.8 liters per 100 kilometers. A value which is somewhat surprising: under normal conditions, a consumption of less than 10 liters should adjust. Judging by his performance a consumption that is slightly too high.

The BMW TwinPower Turbo technology package in the new BMW Z4 Drive18i includes acting on the twin-scroll principle, turbocharging, gasoline direct High Precision Injection, fully variable valve control system VALVETRONIC and the variable camshaft control system double VANOS. Identical in composition of this technology package also comes in 2.0 liter also drives the BMW Z4 sDrive20i and BMW Z4 sDrive28i used. For this an eight-speed Sports automatic including shift paddles on the steering wheel is offered as an alternative to the standard six-speed manual transmission. An optimized tuning of the automatic transmission helps them to further improve the acceleration values ​​sprint from zero to 100 km / h All other engine variants sDrive20i, sDrive28i, sDrive35i and sDrive35is remain in the offer.

Conclusion about the BMW Z4 sDrive18i: 

The new entry-level engine is suitable for roadster fans, where sheer power is not too important. The consumption of the Z4 18i is somewhat too high compared to the power output.

Source : BMW