BMW
Media
Information
5/2009
Page 38
Thanks to the technical innovations boasted on the new six-cylinder power
unit, the engine significantly outperforms even the EU5 emission standard, with
emission management reducing not only diesel particulates, but also hydro-
carbons and carbon monoxide most effectively.
The diesel particulates filter operates maintenance-free and does not require
any additives. The regeneration phases required at regular intervals are initiated
by a subsequent injection process activated by engine management.
Innovation with eight gears: the new automatic transmission.
The innovative character of the BMW 5 Series Gran Turismo is borne out clearly
not only by the range of engines, but also by the power transmission. All model
variants come as standard with the eight-speed automatic transmission so
far featured exclusively in the twelve-cylinder BMW 760i luxury performance
saloon, offering an unprecedented level of gearshift comfort, sportiness, and
efficiency.
The transmission makes a significantly greater contribution once again to the
reduction of fuel consumption and emissions compared with the six-speed
automatic transmission used by BMW so far. The new eight-speed automatic
transmission is therefore ideally suited to further enhance and highlight the
dynamic driving qualities, the superior grand touring comfort and the progres-
sive overall concept of the BMW 5 Series Gran Turismo.
The new eight-speed automatic transmission excels through the innovative
layout of its gearsets, allowing the use of additional gears and a larger increment
of gear ratios over the former six-speed automatic without any negative effects
on the size, weight and internal efficiency of the transmission.
The eight forward gears and the reverse gear are provided by four simple
gearsets and five shift units. The innovative arrangement of these components
to be seen for the first time worldwide in an eight-cylinder automatic transmis-
sion offers the big advantage that only two of the total of five clutches are
required to run along open in each gear, thus reducing frictional losses under all
driving conditions to an absolute minimum.
Apart from the broader range of gears and the high standard of efficiency,
this factor likewise contributes to the supreme, highly efficient qualities of the
new transmission. The intelligent concept of this new eight-speed automatic
therefore provides an ideal match for the BMW EfficientDynamics development
strategy.
| Categories | BMW 5-Series Manuals, BMW Manuals |
|---|---|
| Tags | BMW 530d, BMW 535i, BMW 550i, BMW F07, BMW Gran Turismo, Brochure and Catalogue |
| Model Year | 2010 |
| Download File |
|
| Document File Type | |
| Copyright | Attribution Non-commercial |
(0 votes, average: 0 out of 5)