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      10-24-2011, 04:53 PM   #1
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[AutoCar]:BMW's seventh-gen 3-series uncovered.

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The F30 is hot off the press, but BMW is hard at work on the 7th generation 3 series already.









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Originally Posted by AutoCar
The future seventh-generation BMW 3-series for 2020 will be designed to be safer, more frugal and more user-friendly than ever before. The push to reduce the 2020 car's emissions comes as new fuel economy regulations average out Co2 emissions based on sales across the whole of a manufacturer’s range. Thanks to the new fuel-saving technology, less efficient cars in the BMW range - such as the BMW 7-series and BMW X5 - will be able to live on long into the third decade of the 21st century.
The BMW 3-series for 2020 will see a significant change in its make-up as the full impact of fuel-saving technology is brought into play.
Hilton Holloway looks into BMW's future tech:
Three-cylinder turbodiesel engine with electric motor assist
The sixth-gen 3-series may never employ a three-cylinder engine, but the next-gen model is set to. By 2020 the EU fleet average for all car makers is heading towards 95g/km of CO2, but BMW is targeting just 77g/km for this engine, dropping to 70g/km by 2025. An electric motor will assist with standing starts and help to pull longer gearing.
Advanced petrol engine tech and the demise of the diesel
Petrol engines will not be dead by 2020. They are cheaper to build than diesels, and those savings will partially offset the cost of building a hybrid system. BMW is testing a self-ignition running mode, but also under consideration is a combined injector and multi-point laser spark plug. The target Co2 figure is 80g/km, dropping to 70g/km by 2025.

Encapsulated engine and floorplan

The engine bay of the 2020 3-series will be almost completely enclosed, with an undertray running the full length of the car to help reduce aerodynamic drag. Even the suspension arms could be cast into an aero-friendly shape to keep the airflow as smooth as possible.

Laser sensors

Sensors will be used to detect other vehicles, pedestrians and cyclists. They will help guide the car in narrow motorway lanes and will be able to override the steering to prevent the car straying out of its lanes.

Laser headlamps

Production ready in the next two to three years, so by 2020 they will be mainstream. Uses a photonic process to create white light that’s 1000 times brighter, 100 times smaller and twice as efficient as LEDs.

Aerodynamic wheel housings
Much engineering effort is going into cutting drag around the wheels and inside the wheel housings. Taking inspiration from the BMW i8, the seventh-gen 3-series is likely to use scoops to channel air across the face of wheels, creating a ‘boundary layer’ to reduce turbulence.

Low-drag brakes

Conventional brake pads drag on the discs, wasting energy. In future the pads will stand off the discs and use intelligent prediction to pull them up to the disc face if the driver is about to brake.

Aerodynamic wheels

Almost completely faired in, the wheels are designed to smooth airflow. Brake cooling will mostly be handled by flow through the air scoop on the nose.

Carbonfibre parts

The battle to lose weight will still be at the forefront in 2020, not least to offset the extra heft of EV motors and their batteries. BMW’s experience in the production of carbonfibre-reinforced plastics will be well advanced by then, so there’s a good chance of carbonfibre body panels, seat frames, dashboard supports and door trims featuring.

Full head-up display

Head-up displays will become more common and more sophisticated. The Vision ED concept showed the future: layers of information, such as sat-nav directions, radio stations and alerts projected into the driver’s eye line.

3D Sat-Nav

Adds extra information about gradients, so the car can benefit from engine-off downhill runs and can calculate the most economical route by taking into account the extra energy needed for uphill driving.

Live car-to-car alerts

Using a built-in SIM card, the next-gen 3-series will automatically send out information about traffic and weather conditions, the latter triggered by the automatic wipers and auto headlamps activating. If the stability control system is activated, that could warn other cars of locally slippery conditions.
Touch-sensor door handles
Expensive and complex door handles could disappear on upmarket cars by 2020, replaced by a simple hollow with touch sensors and a proximity key.

Nine-speed auto with 'Sailing' mode

Automatic gearboxes can be in exactly the right gear to boost economy, and also link into other systems to engage a new ‘sailing’ mode. This works in conjunction with 3D sat-nav to shut down the engine and shift the transmission into neutral or ‘sail’ mode as the car approaches a downward slope, allowing the car to coast without using energy.

Battery pack

The i3 concept shows how the future 3-series’ structure will be optimised to fit a battery pack in the rear of the car. It must accommodate either small or large batteries, the latter for a plug-in hybrid with a 25-mile-plus range. A plug-in version of the petrol engine could deliver 43g/km of CO2, falling to 37g/km by 2025.

Height-adjustable suspension

During the production run of the seventh-gen 3-series, height-adjustable suspension, which drops down at higher speeds to cut aero drag, could become an option to improve real-world fuel economy.
http://www.autocar.co.uk/News/NewsAr...llCars/259709/
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      10-24-2011, 05:49 PM   #2
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      10-24-2011, 05:59 PM   #3
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Oh! My... I like it, that's how the F30 should've looked. The twin Kidney grills look sharp.
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      10-24-2011, 06:05 PM   #4
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Most if not all of these details are completely speculative.

Autocar is also notorious for posting their own speculations as facts. Not a great track record at all.
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      10-24-2011, 06:18 PM   #5
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Most if not all of these details are completely speculative.

Autocar is also notorious for posting their own speculations as facts. Not a great track record at all.
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      10-24-2011, 06:20 PM   #6
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its a long way till 2020
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BMW have tapped into this by mirroring typical BMW dynamics and steering communication within the new UKL cars.
You mean massive body roll, a steering system that is not connected to the front wheels, and the engine note played through the speaker system?!?!?!?!
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      10-24-2011, 07:29 PM   #7
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its a long way till 2020
damn!!! and +10 more years for retirement.....
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      10-25-2011, 10:10 AM   #8
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All speculative, but THAT front end would have been more in the direction of a worth F30 design than the LCIed LCI they went with!
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      10-25-2011, 10:23 AM   #9
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Was that sketch provided by BMW? if so, why are they sitting on it, that should be the facia of the F30. It's less complicated and more dynamic.
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      10-25-2011, 10:28 AM   #10
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Quote:
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Quote:
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Most if not all of these details are completely speculative.

Autocar is also notorious for posting their own speculations as facts. Not a great track record at all.
Eh... Nothing like writing about something that'll come out 5-6 years later.
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