BMW 2007 Annual Report Download - page 214
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14
Many of these technologies represent completely new solutions – but developing concepts for eco-
nomical high-performance vehicles is a success story that goes back a long way.
In 1975 the BMW Group was the world’s first manufacturer to introduce electronic petrol injection:
L-Jetronic made it possible for the first time to precisely control fuel supply. Together with the revo-
lutionary Valvetronic engine management system, innovative lightweight bodies, series implementation
of the Common Rail Technology, the fuel-efficient diesel turbocharger, and other BMW innovations,
these measures are today considered technological milestones on the road to less consumption in auto-
mobile
design. Many key technologies which were discovered and readied for series production by the
BMW Group later found their way into the mass market. For instance, the integrated overrun fuel cut-
off, which made its debut in 1976 in the BMW 3.0si, is taken for granted these days, just like ABS or the
catalytic converter. Engineers at the BMW Group, says Dr. Johannes Liebl, always were the ones to
break new ground for more efficient automobile design.
Liebl is a mechanical engineer who has worked as an engine designer at the BMW Group for 23 years.
The 57-year-old currently coordinates the group-wide EfficientDynamics development work, including
a whole troop of highly effective groundbreakers. At a time of climate change, says the engineer,
EfficientDynamics provides us with a comprehensive answer to questions about saving resources,
climate protection, and securing individual mobility. And we are not just developing solutions for the
medium and long term. Customers and the climate are already benefiting from our solutions from
the
very first kilometre they drive. The result is that where a BMW 320i back in 1983 still guzzled 9.6 litres
of
petrol over 100 km, the current BMW 320i needs only 6.1 litres and still offers substantially better
performance, greater comfort and improved vehicle safety.
However, these responses are only possible because developers at the BMW Group consistently ask
questions in a new way.