Weight 128i 135i
Unladen weight lb 3494 (3571) 3638 (3704)
Weight distribution, front/rear
Manual transmission % 48. 3/51.7 49.4/50.6
Automatic transmission (128i:
STEPTRONIC transmission; 135i: 7-speed Double Clutch Transmission [DCT ] ) % 4 9.1 /5 0 .9 49.7/50.3
Engine
Liters/type/valves per cylinder 3.0/inline 6/4 TwinPower Turbo 3.0/inline 6/4
Bore/Stroke inch 3.35/3.46 3.31/3.53
Nominal output/rpm hp 230/6500 300/5800
Maximum torque/rpm lb-ft 200/2750 300/1200-5000
Compression ratio :1 10.7 10.2
Fuel grade unleaded premium unleaded premium
Transmis sion
Manual gear ratios
I/II/III :1 4.32/2.46/1.66 4 .11/ 2. 32 /1. 5 4
IV/V/VI/R :1 1.23/1.00/0. 85/3.9 4 1.18 /1.0 0/0.85 /3.73
Final drive ratio :1 3.23 3.08
Automatic gear ratios
I/II/III/ IV :1 4.07/ 2.37/1.55/1.16 4.78/3.06/2.15/1.68
V/VI/VII/R :1 0.85/0.67/ —/3.20 1.3 9/1. 20/1.00 /4.45
Final drive ratio :1 3.73 3.46
Performance
Drag coefficient C
d
0.34 0.34
Top s pe ed
1
mph 130 130
Acceleration 0-60 mph
2
(128i: STEPTRONIC transmission; 135i: 7-speed Double Clutch Transmission [DCT] ) sec 6 .4 (7.0) 5.4 (5.3)
Fuel consumption
3
Manual transmission – City/Highway mpg 18/28 19/ 28
Automatic transmission – City/ Highway
(128i:
STEPTRONIC transmission; 135i: 7-speed Double Clutch Transmission [DCT ] )
mpg 18/27 18/ 25
Fuel tank capacity, approx. gal 14 14
1
Top speed limited electronically. All-season tires limited to 130 mph;
Sport Package and M Sport Package top-speed limiter increased to 150 mph.
2
BMW AG test results. BMW urges you to obey all posted speed laws and always wear safety belts.
3
EPA-estimated figures are for comparison purposes only. Your actual mileage will vary, depending on speed,
driving habits, trip length and driving conditions; actual mileage may be lower.
Figures in ( ) apply to vehicles with automatic transmission, if different from manual transmission.
| 6564Technical data
Tires and wheels 128i 135i
Tire dimensions – standard 205/55 205/50
Wheel dimensions – standard 16 x 7.0 17 x 7.0
Material light cast alloy light cast alloy
Brakes
Front – diameter inch 11. 8 13.3
Rear – diameter inch 11. 8 12.8
All dimensions are shown in inches, and apply to the 128i with standard wheels. Figures in [ ] refer to 135i.
1372
1423
1072
1092
1507
1748
1474
1411
1934
751
2660
4360
949
940
980
58.3 [58.0]
76 .1
55.6
59.6 [59.3]
68.8
29.6
38.6
3 7. 4104.7
171. 7
3 7. 0
54.0
42.2
