BMW Z4 E89 roadster - specifications
| 7 version of the engine | 12 | ||||
| Typ | sDrive18i | sDrive20i | sDrive23i | sDrive28i | sDrive30i |
| Engine | benzynowy, turbo | benzynowy, turbo | benzynowy | benzynowy, turbo | benzynowy |
| Type of injection | bezpośredni | bezpośredni | pośredni MPI | bezpośredni | pośredni MPI |
| Engine Code | N20B20 | N20B20 | N52B25 | N20B20 | N52B30 |
| Years of mounting | od 2013 | od 2011 | 2009-2011 | od 2011 | 2009-2012 |
| Cylinders/valves | R4/16 | R4/16 | R6/24 | R4/16 | R6/24 |
| Displacement [cm³] | 1997 | 1997 | 2497 | 1997 | 2996 |
| Power [kW/PS/RPM] | 115/156/5000 | 135/184/6250 | 150/204/6400 | 180/245/6500 | 190/258/6600 |
| Torque [Nm/RPM] | 240/1250-4400 | 270/1250-4500 | 250/2750 | 350/1250-4800 | 310/2600 |
| Timing gear | łańcuch | łańcuch | łańcuch | łańcuch | łańcuch |
| Particle filter | - | - | - | - | - |
| Gearbox | manual. 6b/aut. 8b | manual. 6b/aut. 8b | manual. 6b/aut. 6b | manual. 6b/aut. 8b | manual. 6b/aut. 6b |
| Drivetrain | tylny | tylny | tylny | tylny | tylny |
| Brakes, front/rear | tarcz.went./tarcz. | tarcz.went./tarcz. | tarcz.went./t. went. | tarcz.went./tarcz. | tarcz.went./t. went. |
| Front suspension | kol. MacPhersona | kol. MacPhersona | kol. MacPhersona | kol. MacPhersona | kol. MacPhersona |
| Rear suspension | wielowahaczowe | wielowahaczowe | wielowahaczowe | wielowahaczowe | wielowahaczowe |
| Curb weight [kg] | 1395/1420 | 1395/1420 | 1405/1430 | 1400/1420 | 1415/1430 |
| Body dimensions [mm] | 4239/1790/1291 | 4239/1790/1291 | 4239/1790/1291 | 4239/1790/1291 | 4239/1790/1291 |
| Luggage capacity [l] | 150/352 | 150/352 | 150/352 | 150/352 | 150/352 |
| Acceleration 0-100km/h (0-62mph) [s] | 7,9/8,1 | 6,9 | 6,6/7,3 | 5,7 | 5,8/6,1 |
| Top speed [km/h] | 221/220 | 235/232 | 242/239 | 235/232 | 250 |
| Fuel cons. (city/h-way/comb.) [l/100km] | 9,4/5,3/6,8 | 9,4/5,3/6,8 | 11,8/6,1/8,2 | 9,1/5,5/6,8 | 12,4/6,2/8,5 |
| Fuel tank capacity [l] | 55 | 55 | 55 | 55 | 55 |
| Ratio kg/PS | 8.94/9.1 | 7.58/7.72 | 6.89/7.01 | 5.71/5.8 | 5.48/5.54 |
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