| 7 version of the engine | 12 | | Typ | 323Ci | 325Ci | 330Ci | 320Cd | 330Cd |
| Engine | benzynowy | benzynowy | benzynowy | turbo diesel | turbo diesel |
| Type of injection | pośredni MPI | pośredni MPI | pośredni MPI | Common rail | Common rail |
| Engine Code | M52B25 | M54B25 | M54B30 | M47D20TU | M57D30TU |
| Years of mounting | 2000-2001 | 2000-2006 | 2000-2006 | 2003-2006 | 2003-2006 |
| Cylinders/valves | R6/24 | R6/24 | R6/24 | R4/16 | R6/24 |
| Displacement [cm³] | 2494 | 2494 | 2979 | 1995 | 2993 |
| Power [kW/PS/RPM] | 125/170/5500 | 141/192/6000 | 170/231/5900 | 110/150/4000 | 150/204/4000 |
| Torque [Nm/RPM] | 245/3500 | 245/3500 | 300/3500 | 330/2000 | 410/1500-3250 |
| Timing gear | łańcuch | łańcuch | łańcuch | łańcuch | łańcuch |
| Particle filter | - | - | - | - | - |
| Gearbox | manual. 5b/aut. 5b | manual. 5b/aut. 5b | man. 5,6b/aut. 5b | manualna 6b | manualna 6b |
| Drivetrain | tylny | tylny | tylny | tylny | tylny |
| Brakes, front/rear | tarcz. went./tarcz. | tarcz. went./t. went. | tarcz. went./t. went. | tarcz. went./tarcz. | tarcz. went./tarcz. |
| Front suspension | kol. MacPhersona | kol. MacPhersona | kol. MacPhersona | kol. MacPhersona | kol. MacPhersona |
| Rear suspension | wielowahaczowe | wielowahaczowe | wielowahaczowe | wielowahaczowe | wielowahaczowe |
| Curb weight [kg] | 1540/1580 | 1540/1575 | 1585/1620 | 1605 | 1695 |
| Body dimensions [mm] | 4488/1757/1372 | 4488/1757/1372 | 4488/1757/1372 | 4488/1757/1372 | 4488/1757/1372 |
| Luggage capacity [l] | 300 | 300 | 300 | 300 | 300 |
| Acceleration 0-100km/h (0-62mph) [s] | 8,6/9,7 | 7,7/8,8 | 6,9/7,5 | 9,7 | 7,8 |
| Top speed [km/h] | 225/220 | 234/230 | 247/240 | 211 | 234 |
| Fuel cons. (city/h-way/comb.) [l/100km] | 15,2/7,9/10,6 | 13,9/7,6/9,9 | 14,9/7,5/10,2 | 8,5/5,0/6,3 | 9,5/5,6/7,0 |
| Fuel tank capacity [l] | 63 | 63 | 63 | 63 | 63 |
| Ratio kg/PS | 9.06/9.29 | 8.02/8.2 | 6.86/7.01 | 10.7 | 8.31 |