| 5 version of the engine | | | Typ | 318i | 318i | 320i | 325i | 325i |
| Engine | benzynowy | benzynowy | benzynowy | benzynowy | benzynowy |
| Type of injection | pośredni MPI | pośredni MPI | pośredni MPI | pośredni MPI | pośredni MPI |
| Engine Code | M40B18 | M40B18 | M20B20 | M20B25 | M20B25 |
| Years of mounting | 1990-1993 | 1987-1991 | 1986-1993 | 1985-1987 | 1987-1993 |
| Cylinders/valves | R4/8 | R4/8 | R6/12 | R6/12 | R6/12 |
| Displacement [cm³] | 1796 | 1796 | 1990 | 2494 | 2494 |
| Power [kW/PS/RPM] | 83/113/5500 | 85/115/5500 | 95/129/6000 | 126/171/5800 | 125/170/5800 |
| Torque [Nm/RPM] | 162/4250 | 165/4250 | 174/4000 | 226/4000 | 222/4300 |
| Timing gear | pasek | pasek | pasek | pasek | pasek |
| Particle filter | - | - | - | - | - |
| Gearbox | manual. 5b/aut. 4b | manual. 5b/aut. 4b | manual. 5b/aut. 4b | manual. 5b/aut. 4b | manual. 5b/aut. 4b |
| Drivetrain | tylny | tylny | tylny | tylny | tylny |
| Brakes, front/rear | tarczowe/bębnowe | tarczowe/tarczowe | tarczowe/tarczowe | tarczowe/tarczowe | tarczowe/tarczowe |
| Front suspension | kol. MacPhersona | kol. MacPhersona | kol. MacPhersona | kol. MacPhersona | kol. MacPhersona |
| Rear suspension | wielowahaczowe | wielowahaczowe | wielowahaczowe | wielowahaczowe | wielowahaczowe |
| Curb weight [kg] | 1220/1240 | 1220/1240 | 1280/1300 | 1255/1275 | 1255/1275 |
| Body dimensions [mm] | 4325/1645/1380 | 4325/1645/1380 | 4325/1645/1380 | 4325/1645/1380 | 4325/1645/1380 |
| Luggage capacity [l] | 312 | 312 | 312 | 312 | 312 |
| Acceleration 0-100km/h (0-62mph) [s] | 12,0/13,1 | 12,0/13,1 | 11,5/12,9 | 8,6/10,5 | 8,7/10,5 |
| Top speed [km/h] | 187/185 | 187/185 | 195/188 | 215/203 | 214/206 |
| Fuel cons. (city/h-way/comb.) [l/100km] | 11,0/7,1/9,0 | 11,0/6,9/8,9 | 12,6/7,0/9,5 | 12,5/6,5/9,1 | 12,9/7,2/9,7 |
| Fuel tank capacity [l] | 55 | 55 | 55 | 55 | 55 |
| Ratio kg/PS | 10.8/10.97 | 10.61/10.78 | 9.92/10.08 | 7.34/7.46 | 7.38/7.5 |