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Cordell Koland
Car Writer
Weekly Reviews
 


2006 BMW M5
by Cordell Koland

 
You¹ve seen those ads on late-night cable selling 'girls-go-wild' videos.
If
I had to come up with a slogan for the new fourth-generation
BMW M5, it
would be, BMW Engineers Go Wild.

The specfic engineers in question work for the subsidiary BMW M
GmbH, a
separate company that must be a perpetual spring break for technical wizards. BMW M engineers have taken the respectable
5-Series sedan and
stripped it of engine, transmission, suspension, and wheels and replaced them with the wildest, most flagrant upgrades possible.

For example, the M5 features a 500-horsepower five-liter V-10 engine,
the
first for BMW in a production automobile. This engine unveils incredible performance: acceleration registers zero to 60 mph in 4.5 seconds and attains a top speed of 155 mph. In full launch mode it will
pin you to the
seat back.

The M5 also features a seven-speed sequential manual transmission,
a special
suspension, compound, cross-ventilated brakes, extra-wide 19-inch wheels and high-performance tires and an unprecedented
number of electronic controls.
The body is tricked out with modified
front and rear aerodynamic tweaks,
special M 'gills' behind the front
 wheel arches, a slightly lower stance and
four tailpipes.

And while the M5 speed and power is impressive, it's handling seems
even
more remarkable. No matter how fast I threw it around a corner,
I felt I was
just dipping into its road holding prowess.

However, raw performance is not the whole story with the M5. Over
the years,
my wife has become an acute observer of things automotive
and my personal
reactions. I was surprised when she said this was the
first BMW M that I
haven't felt the urge to buy. She's right. I have
lusted over every vehicle
in the long-running M series and having
caught her in a moment of weakness
actually bought a fast M.

Here's my problem. The M5 has a very complex interface with the
driver that
gets in the way of the driving experience. There are
computer controls for
the engine, transmission and suspension as
 well as BMW's iDrive. Let's deal
with iDrive first.

The essence of the iDrive is a controller, a center console-mounted
joystick, and display screen. With iDrive, you select from hundreds of
choices via a menu system that accesses the navigation, audio, and
climate
controls. You move the controller in one of four directions, up, down, left, right, that correspond with one of the car's basic electronic systems, such as entertainment or the navigation system. When you've found the right function, you push the controller down to make a
selection.


I thought I had mastered iDrive. I even wrote a feature on iDrive for a
computer magazine. Sometimes I could easily access the desired function.
Sometimes I could not. Nevertheless, the system is complex and slower
in
actual operation than just twisting a knob to access an audio or
climate-control function.

As for control of mechanical components, the complexity of the transmission interface is a testament to the engineering mind. The
gearbox offers 11
computer shift maps that manage the engine
speed and the quickness of the
gear change. Five of these programs
can be chosen in the automatic mode and
six under manual operation.

In actual operation, I found the fastest settings to be somewhat harsh
or
abrupt under some conditions. On the other hand, the slowest setting seemed as if the transmission case was filled with molasses. While a
good driver
cannot shift as quickly as a sequential manual, I think he or she could make a gear change more smoothly.

Overall, BMW says that the driver has 279 combinations of control settings to chose from that manage throttle response, transmission, suspension and electronic stability control.

The BMW M5 is often referred to as a four-door sports car. But in my
dictionary, a sports car is a simple tool that reduces the equation to a
vibrant motor, a firm suspension and fast, direct steering. You turn the
key
and away you go, concentrating on the road ahead, the steering
wheel and the
gearbox. The BMW M Coupe in my garage meets this definition. Driving, the M5 by contrast seems more like piloting a 747
or the NASA Space Shuttle.

 

Vehicle: BMW M5
Price as tested: $94,965
Engine:
         Type: 5.0 liter V-10
         Horsepower: 500 @ 7,750 rpm
         Torque: 383 lbs.-ft. @ 6,100 rpm
Fuel economy, sequential manual transmission
         City ­ 12 mpg
         Highway ­ 18 mpg
Curb Weight: 4,012 lbs.

 
 
 
Cordell Koland is an automotive journalist based in California's central
coast. He can be reached at cordellkoland@oakparkjournal.com