lb-ft @ 1400 - 5000 rpm
hp @ 5800 rpm
hp per liter
mph (electronically limited)
* New retractable
hardtop with power-operated three-piece steel roof for safety
* iDrive with Programmable Memory Keys
* Elegant 328i Convertible comes with an Aluminum/Magnesium
3.0-liter inline six-cylinder engine featuring Valvetronic rated
at 230hp & 200 lb-ft of torque
* Powerful 335i Convertible features a twin-turbocharged
3.0-liter inline six-cylinder engine with 300 hp / 300 lb-ft of
torque and Direct Injection
* Luxurious and roomy interior with seating for four and
(from BMW Press
Release) Woodcliff Lake, NJ - October 24th, 2006... The
fourth generation of BMW's 3 Series four-seat convertible makes its
world debut at the North American International Auto Show (NAIAS) in
Detroit on January 7th, 2007. A new dimension in the world of
motoring comes with the introduction of a retractable hardtop for
the first time in a BMW. Made of lightweight steel, the three-piece
roof opens in just 22 seconds and folds smoothly into the rear
compartment of BMW’s newest convertible. The new roof structure
ensures a lower level of noise even at high speeds while the
ultra-stiff platform provides extreme torsional strength for
rigidity and incredible handling inherent to all BMWs.
The new BMW 3 Series Convertible retains all the elegance and unique
style that is characteristic of the 3 Series with the top either
open or closed. The long and sleek hood, low shoulder line and the
broad-shouldered rear end make the new BMW 3 Series Convertible
unmistakable from any angle. And with the new retracting hardtop, it
offers performance, comfort, safety, and value unique in its
Open or closed – unmistakable at
The new BMW 3 Series
Convertible is characterized by well-balanced proportions with
either the roof open or closed. It boasts an unmistakable silhouette
that is readily recognizable thanks to its retractable hardtop. With
the three roof elements folding conveniently into the luggage
compartment, the new model continues the low shoulder-line so
typical of a BMW 3 Series Convertible.
Inside the new Convertible, the functional benefits of the hardtop
are clear. The only way BMW engineers could exceed the proven
qualities of the BMW soft top in terms of resistance to tough winter
weather and superior noise control was to switch over to a steel
plate structure. The closed roof, with its large windows and fully
lined underside, offers the occupants optimum visibility as well as
a bright and premium ambience. Compared to the previous generation 3
Series Convertible, the rear side windows are now 30 percent larger
and visibility to the rear has been improved by a significant 38
With the top closed, the low roofline makes the shoulder line of the
car the dominating feature from the side, again retaining the
impression of sporting elegance at all times. Since there is no
conventional “B” pillar, the feeling of open-air driving can still
be achieved with just the side windows rolled down. Approaching the
C-pillar, the “Hofmeister kink”, a traditional feature of BMW
design, can be clearly seen. The rear window is fixed glass with an
electric rear defroster for safety and convenience.
The 3 Series Convertible’s navigation and radio antennas are
integrated within the car. Therefore, conventional rod-type aerials
are not visible and do not detract from the clean lines of the
bodywork. Radio reception with the roof open is ensured by aerials
in the side panels, while aerials in the rear window are
automatically activated as soon as the roof is closed. Vehicles
equipped with SIRIUS satellite radio are equipped with a separate
antenna mounted on the rear decklid.
Maximum comfort and uncompromising function are the key features of
the new roof with its incredible electrohydraulic mechanism. The
three-piece steel roof opens automatically in a flowing motion as
each lid element rests above the other for a compact package. The
rear lid of the Convertible opens rearward and once the roof has
been completely opened or closed and the hardtop is locked, the
driver is able to open the trunklid in the usual way. The roof opens
in just 22 seconds and closes in 23 seconds. The rear lid also comes
with a soft-close feature that draws the lid down gently and
To ensure optimum use of the car’s storage capacities in every
situation, the roof and luggage compartments are separated from one
another by a variable partition swivelling conveniently when the
roof is closed in order to provide maximum luggage capacity. Another
convenient feature is that the roof can open by remote control when
equipped with Comfort Access. Like the roof control switch within
the interior, the remote control button must be kept pressed down
for safety during the entire opening process as movement of the roof
elements will be interrupted whenever the button is released.
A truly individual character
within the BMW 3 Series
Following the Sedan,
Sport Wagon and Coupe, the new 3 Series Convertible is the fourth
variant of the highly successful BMW 3 Series line-up. Despite the
familial resemblance borne out in many design features typical of
the brand, the new Convertible is truly unique. Looking at the front
end of the car, all similarities to the BMW 3 Series Coupe are only
from the A-pillar forward. The sporting style of the new Convertible
starts at the contours of the long and low hood as well as the
special design of the front air dam and headlights. The distinctive
BMW kidney grilles stand out more upright than the surrounding areas
The new Convertible comes standard with Xenon Adaptive headlights
with BMW’s unique corona ring lights serving as daytime running
lamps, providing efficient daytime illumination. Indeed, these
striking light rings make the Convertible easy to recognize and
identify as a BMW at very first sight even at dusk.
Elegance and sleek dynamics
The side view of the car
is dominated by the horizontal shoulder line which gives the new 3
Series Convertible particular style and elegance. The large wheel
arches add sporting and dynamic flair from every angle. The sleek
and dynamic look of the new 3 Series Convertible is further
accentuated by the contour line that runs level with the door
handles. A sill-line at the lower edge of the doors continues all
the way into the air dams at the front and rear.
This interaction of the car’s lines and carefully-modelled surfaces
provides a striking three-dimensional effect guiding not only more
light, but also the eye of the beholder to the area around the car’s
rear axle. This effect is indeed intentional, with the optical
impression created in this way reflecting the actual driving
experience as the new 3 Series Convertible, like all BMWs, features
rear wheel drive for outstanding performance on the road.
The rear view of the car is equally sporting and elegant:
particularly with the roof down, the new BMW 3 Series Convertible
also looks low and wide from behind. And while the contour line ends
in the rear light clusters at each side, the shoulder line extends
around the entire rear section. The rear tail lamp assemblies are
split into two sections and extend all the way into the lid of the
luggage compartment. Horizontal LED light rods ensure a striking
look at night, while the third brake light is integrated into the
aerodynamically-designed spoiler edge on the decklid.
Flowing lines for true style
within the interior
Like the exterior, the
interior of the new 3 Series Convertible features sleek and flowing
lines, powerful and tense surfaces and a highly attractive
combination of convex and concave design elements. The controls for
air conditioning, the audio and navigation systems are within
optimum visibility and within easy reach for the front passenger.
Several controls and switches including the door handles and
gearshift lever are finished in a sophisticated Pearl Gray metal to
ensure a premium tactile feeling with elegant looks.
The side panels display a smooth and sweeping design flow that
extends from the dashboard all the way to the backrests on the two
rear seats. The center console also extends all the way to the rear,
serving as a storage compartment between the rear seats. Ambience
lighting, mounted on the door and rear side panels, projects a warm
and indirect light effect.
New engines for a perfect
combination of muscle and refinement
Two versions will be
available in the US. The powerful 335i Convertible features BMW’s
newest inline six-cylinder engine with twin turbochargers and an
intercooler for 300 incredibly flexible horsepower, thanks to high
precision direct fuel injection with piezo injectors. The 328i
Convertible features a 230-hp 3.0-liter inline six-cylinder engine
with Valvetronic technology and aluminum/magnesium construction.
The more sporting version of the new 3 Series Convertible, the 335i,
is powered by the world’s first inline six-cylinder with Twin Turbo
and High Precision Direct Injection technology and an all-aluminum
crankcase. Rated at 300 hp at 5,800 rpm and 300 lb-ft of torque at
1,400 – 5,000 rpm, this 3.0-liter engine offers cutting-edge
performance thanks to the theories behind BMW’s Efficient Dynamics.
Using high-tech materials allows the engine to be a lightweight
performer, which helps BMW achieve near 50/50 weight distribution on
this and all of its vehicles. Low inertia turbocharger internals and
high precision direct fuel injection makes turbo lag nearly
non-existent as peak torque starts at a mere 1,400 rpm. High
precision direct injection is also ideal for lean burn operation. In
the lean burn mode, various intercepting layers of the fuel and air
form within the combustion chamber. The fuel/air mixture is
therefore particularly rich and ignitable only in the direct
vicinity of the spark plug and once ignite,the flame travels to the
leaner layers further from the spark plug for a clean, smooth and
consistent combustion process. Redline is still an impressive 7,000
rpm and compression ratio is 10.2:1. Typical of a BMW engine are
incredible smoothness, fast-revving response and refined power at
all engine speeds.
The BMW 335i Convertible accelerates to 60 mph in just 5.5 seconds
for the six-speed manual, and in 5.7 seconds for the six-speed
Steptronic automatic transmission. Top speed is
electronically-controlled to 130 mph and on vehicles equipped with
the Sport Package, top speed is governed at 150 mph.
The 328i Convertible is equipped with a the 3.0-liter inline
six-cylinder engine that delivers 230 smooth horsepower at a peak of
6,500rpm and 200 lb-ft of torque at 2,750 rpm. Featuring BMW’s
innovative Valvetronic engine system, which eliminates the
conventional throttle body for throttle control, efficiency and
power are available over a broader range for silky-smooth operation.
The magnesium/aluminum block is a perfect example of BMW Efficient
Dynamics where lightweight technology is at work, making the 328i
unique against its competition. The electric engine coolant pump
also demonstrates one of the many examples where efficiency can be
felt at the accelerator pedal. Speaking of which, acceleration from
0 to 60 mph comes in a spirited 6.7 seconds for the six-speed manual
and in 7.2 seconds for vehicles with the Steptronic six-speed
automatic transmission. Like the 335i, the 328i is limited to 130
mph or 150 mph if equipped with the Sport Package.
New automatic transmission with
optional shift paddles
A thoroughly enhanced
six-speed automatic transmission is available as an option on both
models to meet the greatest demands for comfort and performance. A
quicker and more responsive hydraulic control system, together with
an innovative new torque converter and significantly enhanced
control software ensure reaction times that are 40% faster than
conventional automatic transmissions. In addition, gear change
timing has been almost halved. The torque converter clutch connects
the engine more directly to enhance performance, response and fuel
Should the driver wish to control the sporting character of the
transmission directly, the optional paddles on the steering wheel
provide direct selection of the gear when in manual mode. Because
the gearshift paddles can be activated directly at any time, even if
the gear selector lever is in Drive, this manual gearshift function
always provides extremely spontaneous performance. Shift paddles are
an available option when ordered with automatic transmission and
Innovative suspension technology
for maximum precision
With power being
transmitted to the rear wheels, the rack-and-pinion steering remains
free of drive forces. Optional Active Steering varies steering ratio
as a function of road speed for higher steering ratio at the same
steering wheel angle at low speeds than at high speeds. This enables
the driver to control the car even more smoothly and with minimal
effort, while remaining precisely on course at high speeds in the
interest of maximum safety.
Featuring a double-pivot McPherson strut-type aluminum suspension in
front and a five-link independent rear suspension, the new BMW 3
Series Convertible boasts the most advanced underpinnings in its
class. Further advantages are the low center of gravity,
well-balanced axle load and special damper set-up helping to give
this outstanding new convertible its impressive dynamic driving
The standard 17-inch alloy wheels run on 225/45R17 tires with
runflat technology. Even with a complete loss of pressure in one
tire, the vehicle can continue to be driven for up to 150 miles at
50 miles per hour to get to the nearest service station. BMW’s new
Tire Pressure Monitor watches the pressures in each tire and will
warn the driver as soon as the pressure drops more than 25 percent
below the optimum level.
DSC with enhanced functions for
extra safety and dynamics.
The highly effective
brake system is further enhanced and upgraded by BMW’s Dynamic
Stability Control with its many innovative new functions. This
latest generation of DSC technology controls brake functions and
vehicle stability on slippery roads by applying individual wheel
brakes and reducing engine output. Other features of this system
* Brake Drying- By lightly applying the pads in wet weather
conditions, optimum stopping power can also be experienced in the
* Brake Standby – Preloads the brake pads to enhance brake response
whenever necessary, especially when you’ve suddenly lifted off the
* Brake Fade Compensation maximizes brake pressure whenever
necessary in the interest of particular stopping power. The result
is even foot pedal pressure no matter how hot the brakes get.
* Cornering Brake Control counteracts unwanted oversteer when
applying the brakes lightly in a bend and in conjunction with Active
Steering, DSC can countersteer appropriately to maintain additional
stability at all times.
* Start Off Assistant – Holds the vehicle when stopped on an uphill
to prevent you from rolling back when releasing the brake pedal. It
will hold for three seconds.
* Dynamic Stability Control ensures optimum traction on loose
surfaces, while Dynamic Traction Control can be selected to raise
the threshold before it applies the brakes. It promotes a sportier
style of driving, allowing light wheel slip on the drive wheels. DSC
may be deactivated completely when appropriate.
Light and torsionally stiff: the
combination of innovative and proven materials, as well as modern
production technology, helps to give the new BMW 3 Series
Convertible a particularly light but at the same time very stable
body. Indeed, BMW’s body development specialists have achieved the
highest level of torsional stiffness ever seen in a BMW Convertible.
Unladen weight of the new BMW 3 Series Convertible is approximately
400 lb above that of the BMW 3 Series Coupe. This extra weight
results from the installation of additional support members in the
floor and the electric motors and hydraulic elements required for
the retractable hardtop.
The innovative plastic side front fenders weigh 50 percent less than
conventional steel panels. And unlike conventional plastic, the new
side panels are made of a special synthetic material and no longer
have to be painted separately. Instead, they go through the regular
painting process together with the complete body-in-white.
Deformation areas at the front of the car, together with other
features, serve to provide maximum occupant protection in a frontal
collision. The bulkhead support is made of innovative, high-strength
steel with longitudinal profile bars and reinforcements. In
addition, the extra-strong luggage compartment floor and rear and
side panels minimize the consequences of a collision from behind.
In a side impact, forces acting on the car are diverted to the
opposite side through the reinforced floor pan. The side sills are
made of steel profiles that vary in geometry for greater resistance
to bending. Interacting with the doors, the seats and the instrument
panel, these specially-made components ensure maximum stability
between the A-pillars.
The carefully conceived arrangement and dimensions of the car’s
load-bearing structures, crash boxes and deformation zones help to
keep impact energy away from the passengers. Restraint and support
systems are tailored to one another and controlled by one unit to
ensure proper protection for each occupant. The front and side
airbags, belt latch tensioners and belt force limiters are activated
by the car’s sensor-controlled safety electronics based on the type
and severity of the impact.
The side airbags are integrated into the seat backrests and inflate
in the event of a side-impact collision over a large area extending
from the bottom of the backrest all the way to the upper edge of the
headrest to provide effective upper body and head protection
regardless of seating position.
Extra safety in the event of a rollover is ensured by the windshield
frame that serves as a rollover safety bar. Rollover sensors that
permanently monitoring all vertical and horizontal movements of the
car can activate rollbars positioned behind the rear headrests. The
belt latch tensioners on the front seats as well as the side airbags
are activated within fractions of a second.
Four seats, lots of space, extra
freedom: the interior.
The new BMW 3 Series
Convertible offers open-air driving pleasure for four. The front
seats come with integrated belt systems and the center console
extends all the way to the rear, splitting the rear into two single
seats for extra comfort by offering generous headroom thanks to
their low seating position.
Over the previous model, shoulder room at the rear is increased by
3.15 inches and elbow room grows 4.72 inches. Access to the two
seats at the rear is facilitated by both the seat release lever
fitted at the top of the seat backrest and the 2x-speed fore-aft
power adjustment switch.
Measuring 12.25 cubic feet, luggage capacity is still very generous.
And even with the roof down, the remaining capacity of 7.35 cubic
feet provides ample space for taking along additional necessities.
And by folding the rear seat backrest down, one can conveniently
load bulky objects on the flat area behind the rear seats, without
the risk of harming the upholstery.
A unique feature for this kind of convertible is the optional
opening between the rear seat area and luggage compartment that
measures 15.75 inches and connects the luggage compartment with the
rear passenger area, thus making the new 3 Series Convertible ideal
for the driver and passenger travelling long distances and for many
transport requirements in everyday use. This option includes a
ski/transport bag that is easily and conveniently set up within
seconds (and can be removed just as easily).
Even more intuitive: iDrive with
Programmable Memory Keys
The new BMW 3 Series
Convertible features BMW’s trendsetting iDrive system to control the
Navigation, Climate, Entertainment, and Communication functions. The
new monitor automatically adjusts to ambient light conditions and is
positioned in a perfect ergonomic arrangement in the instrument
New to the 3 Series Convertible are eight Programmable Memory Keys
on the dashboard that serve to simplify operation and control. Two
of the eight keys allow quick access to AM or FM radio stations and
control the music source. The remaining six can be programmed for
favorite items such as navigation destinations, radio stations or
even telephone numbers. The keys are touch-sensitive: each
respective function is clearly presented on the iDrive display as
soon as the driver places his or her finger on the button.
Unique and premium equipment.
Offering a wide range of
safety and comfort features, the new BMW 3 Series Convertible makes
every trip an experience in pleasure. To supplement the wide range
of standard equipment, the new BMW 3 Series Convertible is available
with a wide choice of high-tech audio, navigation, Bluetooth and
New management and control of the automatic air conditioning, for
example, serves to enhance the high standard of comfort in the
Convertible. Automatic programs for ventilating the car selected
through iDrive are now being supplemented by another mode: In
addition to the three “Gentle”, “Medium” and “Intense” stages, the
driver is also able to activate a “Convertible” mode whenever the
roof is open. This reduces the influence of the interior temperature
sensor on the ventilation control. Instead, temperature control and
blower intensity are controlled as a function of the exterior
temperature and sun glare. A further function is adaptation of the
amount of air flowing into the car to its current speed on the road,
with Automatic Air Recirculation (AAR) being automatically
deactivated at a road speed of more than 50 mph. And when using the
heater, the distribution of air is optimized to provide the same
consistent temperature throughout the interior of the Convertible.
The new Convertible mode on the automatic air conditioning is
available only with the roof open. As soon as the retracting hardtop
folds back over the passenger compartment, the automatic air
conditioning will return to the program last chosen when the car was
closed, the Convertible mode then being automatically reactivated
when the driver opens the roof again.
Sun Reflective leather for cooler
on the new 3 Series Convertible is the special leather that was
developed for the seating upholstery. Modified color pigments serve
to reflect the infra-red radiation by the sun, very effectively
preventing excessive temperatures on the seat surfaces otherwise
encountered in weather that would be perfect for open-air motoring.
To achieve this, BMW is the first carmaker in the world to use Sun
Reflective technology in its leather. Applying this process,
pigments are embedded in the material during production to reflect
infra-red radiation in sunlight in wavelengths of more than 720
Nanometres, significantly reducing the usual heating effect on the
surfaces. All other qualities of the leather material remain
Sun Reflective technology is used both on the seat upholstery and on
the armrests to prevent body contact with excessively hot surfaces.
This new leather treatment is able to reduce surface temperatures on
dark interior colours by up to 68 °F, and also offers advantages on
light-colored upholstery, where the heating effect of sunshine is
An accessory wind deflector developed especially for the new BMW 3
Series Convertible reduces air swirl within the interior even at
high speeds. This new wind deflector is fastened firmly in the rear
of the passenger compartment by supports in the side panels and can
be swivelled into position. Just one single movement of your hand
either on the driver’s or passenger’s side is sufficient to securely
fasten the deflector in position.
The BMW 3 Series
Convertible—maintaining the tradition
BMW 3 Series
Convertibles have been known for incredible top-down driving
experiences for 19 years running. The new BMW 3 Series Convertible
continues this tradition without any compromise. The very first
Convertible based on the BMW 3 Series debuted in 1987 and was the
epitome of dynamic performance and sporting elegance. As the first
premium manufacturer to launch an open four-seater in this segment,
the competition has now become most challenging and fierce, but the
BMW 3 Series Convertible remains unique to this very day.
Unlike many open four-seaters in other classes, the first BMW 3
Series Convertible had a soft top that moved down completely beneath
a firm cover at the rear of the car, to maintain its classic lines.
This beautiful style continued in 1994 with the second generation 3
Series Convertible. Its larger wheel arches and A-pillars slanted at
a lower angle gave it an even more sporting and dynamic look.
The third rendition of the 3 Series Convertible entered the market
in 2000 and continued the trend towards dynamic appearances and
performance with its muscular surfaces and contours while retaining
its usual proportions.
All BMW 3 Series Convertibles quickly became classics during their
lifetime. The objective in developing each new model was to adopt
the elementary qualities so typical of a BMW 3 Series with modern,
trendsetting requirements. The new generation comes with an
innovative roof concept that not only retains, but further
accentuates the original character of the 3 Series Convertible.