2007 BMW 3 SERIES HARDTOP CONVERTIBLES

Technical Specifications

 

General                                                            328i Convertible                               335i Convertible

Curb weight, lb.:

        Manual transmission                                  3792                                                 3946

        Automatic transmission                             3858                                                 3957

Weight distribution, front/rear, %:

        Manual transmission                                  46.8/53.2                                           47.5/52.5

        Automatic transmission                             47.1/52.9                                           47.6/52.4                       

Wheelbase, in.                                                  108.7                                                       

Track, front/rear, in. [1]                                         59.1/59.6

Length, in.                                                        180.6

Width, in.                                                          70.2

Height, in.                                                         54.5                                                 

 

Body          

Type                                                                2-door convertible

Aerodynamic drag coefficient                           0.30                                                  0.31

EPA size classification                                     Subcompact

 

 

 

Accommodations                                            328i Convertible                               335i Convertible

Seating capacity, persons                                 4

Shoulder room, front/rear, in.                            55.3/49.3                                          

Head room, front/rear, in.                                  38.0/36.5                                          

Leg room, front/rear, in.                                    41.8/31.9                                          

EPA passenger volume, cu ft.                           84.2

EPA cargo volume, cu ft.                                  9.0

 

Engine & electrical

 

Engine type                                                      DOHC inline 24-valve                         DOHC inline 24-valve

                                                                       6-cylinder, magnesium/                      6-cylinder, aluminum

                                                                       aluminum composite                          construction with cast-

                                                                       construction, Double                         iron liners, twin-                                                                                                     

                                                                       VANOS steplessly                             turbochargers, Double

                                                                       variable valve timing                          VANOS steplessly                                                                                                

                                                                                                                                variable valve timing

Bore x stroke, mm/in.                                        85.0 x 88.0/3.35 x 3.46                       84.0 x 89.6/3.31 x 3.53

Displacement, cc/cu in.                                     2996/183                                           2979/182

Compression ratio                                            10.7:1                                               10.2:1

Power @ rpm, hp                                             230 @ 6500                                       300 @ 5800

Torque @ rpm, lb-ft.                                         200 @ 2750                                       300 @ 1400-5000

Engine-management                                         MSV80 with knock control                  MSD80 with knock control

                                                                       (2 sensors); Valvetronic                     (2 sensors); Piezo direct

                                                                       variable valve timing, engine              fuel injection, engine

                                                                       cooling & other functions                   cooling & other functions

                                                                       included in control strategy                included in control strategy                                                                                                                                                  

Fuel requirement                                               Premium unleaded

Fuel capacity, U.S. gal.                                     16.1

Battery capacity, amp-hr.                                  70

Alternator output rating, amp./W                        180/2520

 

Drivetrain    328i Convertible                            335i Convertible                              

Drive system                                                    Front engine/rear-wheel drive

Manual transmission                                         Getrag Type I, 6-speed                      ZF Type G, 6-speed

Ratios:        1st                                                4.32:1                                               4.06:1

                   2nd                                               2.46:1                                                                                               2.40:1

                   3rd                                                1.66:1                                                                                               1.58:1

                   4th                                                1.23:1                                                                                               1.19:1

                   5th                                                1.00:1                                                                                               1.00:1

                   6th                                                0.85:1                                               0.87:1

                   Reverse                                         3.94:1                                               3.68:1

        Final drive ratio                                         3.38:1                                               3.08:1

Automatic transmission                                     GM6                                                 ZF 6HP 19 TU

Ratios:        1st                                                4.07:1                                               4.17:1

                   2nd                                               2.37:1                                               2.34:1

                   3rd                                                1.55:1                                               1.52:1

                   4th                                                1.16:1                                               1.14:1

                   5th                                                0.85:1                                               0.87:1

                   6th                                                0.67:1                                               0.69:1

                   Reverse                                         3.20:1                                               3.40:1

Final drive ratio                                                 3.91:1                                               3.46:1

 

Chassis

Body/frame construction                                   Unitized steel

Standard system:                                             Rack & pinion, engine-speed-sensitive power assist ¹

        Overall ratio                                              16.0:1

        Turns lock-to-lock                                      3.0

        Turning circle, ft.                                       36.1

Chassis (cont.)                                                328i Convertible                               335i Convertible

Optional Active Steering:                                  Vehicle-speed-sensitive ratio & power assist

        Overall ratio                                              Electrically/electronically variable over wide range of

                                                                       10.8:1 – 18.0:1

        Turns lock-to-lock                                      1.8 – 3.0

        Turning circle, ft.                                       36.1 ¹          

4-wheel ventilated disc brakes:

        Diameter, front, mm/in.                              312/12.3                                            348/13.7

        Diameter, rear, mm/in.                               300/11.8                                            336/13.2

Wheels (standard)                                             Cast alloy, 17 x 8.0

Wheels (optional)                                              Cast alloy, 18 x 8.0 front / 18 x 8.5 rear

Tires (standard)                                                All-season run-flat, 225/45 R-17

Tires (optional)                                                 Performance run-flat, 225/40 R-18 front / 255/35R-18

                                                                       rear                                                  

Stability-enhancement                                       Dynamic Stability Control (DSC), including Brake Fade

                                                                       Compensation, Start-off Assistant, Brake Drying,     

                                                                       Cornering Brake Control, and Brake Standby features,

                                                                       with Dynamic Traction Control

 

Performance data

Acceleration, 0-60 mph, sec. [2]:

        Manual transmission                                  6.7                                                    5.5

        Automatic transmission                             7.2                                                    5.7

Top speed, mph                                               130 (with Sport Package, 150)

Fuel economy, EPA est. MPG,

        city/highway:

        Manual transmission                                  19/29                                                19/28              

               Automatic transmission                         20/30                                                    20/29

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[1] – With standard wheels.

[2] – BMW AG test results. Actual acceleration results may vary depending on specification of vehicle; road and environmental conditions; testing procedures and driving style. These results should be used for comparison only, and verification should not be attempted on public roads. BMW urges you to obey all posted speed limits and to please wear your safety belt at all times.

Specifications