| 20 version of the engine | 1234 | | Typ | 320i | 323i | 325i | 328i | 330i |
| Engine | benzynowy | benzynowy | benzynowy | benzynowy | benzynowy |
| Type of injection | pośredni MPI | pośredni MPI | pośredni MPI | pośredni MPI | pośredni MPI |
| Engine Code | M54B22 | M52B25 | M54B25 | M52B28 | M54B30 |
| Years of mounting | 2000-2005 | 1998-2000 | 2000-2005 | 1998-2000 | 2000-2005 |
| Cylinders/valves | R6/24 | R6/24 | R6/24 | R6/24 | R6/24 |
| Displacement [cm³] | 2171 | 2494 | 2494 | 2793 | 2979 |
| Power [kW/PS/RPM] | 125/170/6250 | 125/170/5500 | 141/192/6000 | 142/193/5300 | 170/231/5900 |
| Torque [Nm/RPM] | 210/3500 | 245/3500 | 245/3500 | 280/3500 | 300/3500 |
| Timing gear | łańcuch | łańcuch | łańcuch | łańcuch | łańcuch |
| Particle filter | - | - | - | - | - |
| Gearbox | manual. 5b/aut. 5b | manual. 5b/aut. 5b | manual. 5b/aut. 5b | manual. 5b/aut. 5b | man. 5,6b/aut. 5b |
| 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] | 1395/1430 | 1370/1405 | 1420/1455 | 1395/1430 | 1430/1465 |
| Body dimensions [mm] | 4471/1739/1415 | 4471/1739/1415 | 4471/1739/1415 | 4471/1739/1415 | 4471/1739/1415 |
| Luggage capacity [l] | 440 | 440 | 440 | 440 | 440 |
| Acceleration 0-100km/h (0-62mph) [s] | 8,3/9,4 | 8,0/9,0 | 7,3/8,4 | 7,0/8,1 | 6,5/7,0 |
| Top speed [km/h] | 226/223 | 231/228 | 240/237 | 240/237 | 250/247 |
| Fuel cons. (city/h-way/comb.) [l/100km] | 14,9/7,2/10,0 | 14,9/7,2/10,0 | 13,5/7,2/9,5 | 15,3/7,1/10,1 | 14,0/7,0/9,6 |
| Fuel tank capacity [l] | 63 | 63 | 63 | 63 | 63 |
| Ratio kg/PS | 8.21/8.41 | 8.06/8.26 | 7.4/7.58 | 7.23/7.41 | 6.19/6.34 |