Twin-scroll turbocharging
The new four-cylinder engines also feature twin-scroll turbocharging. This means that the exhaust stream from cylinders 1 and 4, and the exhaust stream from cylinders 2 and 3, follow separate spiral-shaped paths to the turbine wheel. This reduces exhaust back-pressure at low engine rpm, allowing the energy of the exhaust gas pulses to be utilised as efficiently as possible. The result is instant throttle response and fast-revving performance which BMW drivers can instantly translate into driving pleasure.
See also:
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New & Improved, Sort Of
An updated 3.0-liter six-cylinder engine goes under the hood. Packed with
BMW's latest innovations, the engine churns out 260 horsepower and 225
pounds-feet of torque — a 15 percent increase in ho ...
HD Radio™ reception
Many stations broadcast both analog and digital
signals.
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HD Radio™ technology manufactured under license
from iBiquity Digital Corp. U. S. and Foreign
Patents. HD Radio™ and ...