Driving the 120d: The Road to Leipzig and 52 MPG average

1-series | June 14th, 2010 by 2
120d side view 750x500 Driving the 120d: The Road to Leipzig and 52 MPG average

The Diesel Driver takes on another task in the diesel world, a trip to BMW’s Leipzig plant aboard a BMW 120d 5-door, one of the …

The Diesel Driver takes on another task in the diesel world, a trip to BMW’s Leipzig plant aboard a BMW 120d 5-door, one of the most popular 1 Series models in Europe. Let’s have a look.

“Although my 120d 5 Door wasn’t built in Leipzig, I nonetheless decided to take it there for a visit. The drive from Munich to Leipzig is ca. 425 km and the route takes us on the Autobahn A9 for all but 20 km of the route.

Our 120d came in an elegant space grey metallic with business navigation and multiple BMW EfficientDynamics fuel-saving options including regenerative braking and auto start-stop.

Regenerative braking recovers energy that would normally be wasted as heat through the brakes and the start-stop technology turns the engine off to avoid unnecessary idling when stopped.

120d side view 655x414 Driving the 120d: The Road to Leipzig and 52 MPG average

The 120d’s engine puts out 177 hp (130 kW) with a combined fuel economy rating of 4.7 l / 100 km (~ 42 mpg in the EU test cycle. The EU test cycle has three components: city or urban driving (the first 800 seconds of the test), highway or extra urban driving (the next 400 seconds), and combined (the complete cycle).

On a 300-km stretch with an average cruising speed of 120 km/h (75 mph), the 120d only used 4.5 l / 100 km or 52 mpg. This figure beats the combined fuel economy figure and comes very close to the highway (extra urban) figure, which is calculated at a slower average speed (see chart).”

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