| 34 version of the engine | 1234567 | | Typ | 318i | 318i | 320i | 320i | 325i |
| Engine | benzynowy | benzynowy | benzynowy | benzynowy | benzynowy |
| Type of injection | pośredni MPI | bezpośredni | pośredni MPI | bezpośredni | pośredni MPI |
| Engine Code | N46B20 | N43B20 | N46B20 | N43B20 | N52B25 |
| Years of mounting | 2005-2007 | 2007-2011 | 2005-2007 | 2007-2011 | 2005-2007 |
| Cylinders/valves | R4/16 | R4/16 | R4/16 | R4/16 | R6/24 |
| Displacement [cm³] | 1995 | 1995 | 1995 | 1995 | 2497 |
| Power [kW/PS/RPM] | 95/129/5750 | 105/143/6000 | 110/150/6200 | 125/170/6700 | 160/218/5800 |
| Torque [Nm/RPM] | 180/3250 | 190/4250 | 200/3600 | 210/4250 | 250/2750-4250 |
| Timing gear | łańcuch | łańcuch | łańcuch | łańcuch | łańcuch |
| Particle filter | - | - | - | - | - |
| Gearbox | manual. 6b/aut. 6b | manual. 6b/aut. 6b | manual. 6b/aut. 6b | manual. 6b/aut. 6b | manual. 6b/aut. 6b |
| Drivetrain | tylny | tylny | tylny | tylny | tylny |
| Brakes, front/rear | tarcz. went./tarcz. | tarcz. went./tarcz. | tarcz. went./tarcz. | 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] | 1430/1460 | 1430/1460 | 1430/1460 | 1430/1460 | 1470/1500 |
| Body dimensions [mm] | 4520/1817/1418 | 4520/1817/1418 | 4520/1817/1418 | 4520/1817/1418 | 4520/1817/1418 |
| Luggage capacity [l] | 460/1385 | 460/1385 | 460/1385 | 460/1385 | 460/1385 |
| Acceleration 0-100km/h (0-62mph) [s] | 10,4/11,4 | 9,5/10,4 | 9,4/10,2 | 8,4/9,2 | 7,2/7,9 |
| Top speed [km/h] | 206/204 | 210 | 218/213 | 226/224 | 243/240 |
| Fuel cons. (city/h-way/comb.) [l/100km] | 11,6/6,1/8,1 | 8,6/5,3/6,5 | 11,3/6,3/8,1 | 9,1/5,3/6,7 | 13,2/6,9/9,2 |
| Fuel tank capacity [l] | 63 | 63 | 63 | 63 | 63 |
| Ratio kg/PS | 11.09/11.32 | 10/10.21 | 9.53/9.73 | 8.41/8.59 | 6.74/6.88 |