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      12-23-2009, 06:20 PM   #1
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2012 BMW M5 Rumors - An Alleged Insider's Overview

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Supposed BMW insider Scott27 is shedding some new light on rumors regarding the 2011 BMW M5. Saying that the "BMW M Division will become the pinnacle of Efficient Dynamics," the PR-sounding tipster says that BMW is ushering in a "Brave New World of Performance."

According to the new rumors, the next M5 will have a variant of the V8 engine used by the X5M and X6M, tuned to have more horsepower and torque than the V10. The engine will be paired to a new dual-clutch transmission based on the M3's gearbox. The driver will control shifting through paddles mounted to the steering wheel. Despite getting nearly 570 horsepower, fuel consumption on the new model is "expected to be between 25-30% better than the E60 M5." That should translate to about 14.5mpg in the city, and 22mpg highway, a huge improvement over the 11/17 figures posted by the outgoing model.

Fuel consumption is kept low by using Active Aerodynamics at the front and in the wheel arches. Small turbines will be built into the grille to use the drag created by braking as electricity. The tipster also reaffirms rumors of a Kinetic Energy Recovery System (KERS), similar to that developed by the BMW Sauber F1 team, will be used on the car. When pressing a button, the driver will utilize the KERS' Twin Parallel Supercapacitors to provide a ten-second power boost. This system should appear on the BMW Active Hybrid 5 concept as well going on view in Geneva next March.

Aside from a new stability system, look for the 2011 BMW M5 to get options like carbon fiber brakes, and carbon fiber roof. Bigger brake outlets, wheel arches, and new side air intakes can also be expected.

Look for an M5 concept to hit the stage at the 2011 Geneva Motor Show, with the production and market launch of the 2011 BMW M5 taking place just before the Frankfurt show later that year.
http://www.worldcarfans.com/10912222...iders-overview
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You sound like my buddies who have AMG's - Slam the gas, slam the brakes...
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      12-24-2009, 10:27 AM   #2
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All old news... and they probably got all those renderings from here and m5board.com lol.

Cant wait to see the real info once its available.... This is all speculation
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      12-24-2009, 11:13 AM   #3
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Small turbines will be built into the grille to use the drag created by braking as electricity. The tipster also reaffirms rumors of a Kinetic Energy Recovery System (KERS), similar to that developed by the BMW Sauber F1 team, will be used on the car.
Sounds to me like the writer is a little confused. The turbines themselves will be the KERS. I.e. the turbines are what recover the kinetic energy. It's got nothing to do with braking. It works just by the movement of the car hence the "kinetic" name. Brake energy regeneration (BER) is different. That is energy recovered from braking that would otherwise just be generated heat. These two systems can be used in tandem on the same vehicle, but they don't have to be.
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      12-25-2009, 09:05 PM   #4
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Originally Posted by mkoesel View Post
Sounds to me like the writer is a little confused. The turbines themselves will be the KERS. I.e. the turbines are what recover the kinetic energy. It's got nothing to do with braking. It works just by the movement of the car hence the "kinetic" name. Brake energy regeneration (BER) is different. That is energy recovered from braking that would otherwise just be generated heat. These two systems can be used in tandem on the same vehicle, but they don't have to be.
Kinetic energy simple refers to the energy of motion. Formula one utilize the KERS by capturing kinetic energy from the flywheel (Williams F1) under deceleration or by capturing motive (kinetic energy) from braking with an alternator and storing it chemically (batteries).

The brake energy recovery system you referred to is whats used in the current E9x ///M3 which detects when the vehicle is using the brakes and thus maximizes alternator charging because the engines maximum power is not required and this serves to charge the car's battery without tapping on engine power and, accordingly on the energy contained in the fuel burnt

I envision BMW following their Formula one route because they already have experience with it in racing.
I think its very cool and has very exciting possibilities, It would be great if the KERS system will used when the V8TT is off booste and thus you would virtually eliminate lag. Question is how seemless will the electric power come in....
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