| 11 version of the engine | 123 | | Typ | 525i | 525e | 528i | 535i, M535i | 524d |
| Engine | benzynowy | benzynowy | benzynowy | benzynowy | diesel |
| Type of injection | pośredni MPI | pośredni MPI | pośredni MPI | pośredni MPI | pompa wtryskowa |
| Engine Code | M30B25 | M20B27 | M30B28 | M30B34 | M21D24 |
| Years of mounting | 1981-1987 | 1981-1987 | 1981-1987 | 1985-1987 | 1986-1987 |
| Cylinders/valves | R6/12 | R6/12 | R6/12 | R6/12 | R6/12 |
| Displacement [cm³] | 2494 | 2693 | 2788 | 3430 | 2443 |
| Power [kW/PS/RPM] | 110/150/5500 | 92/125/4250 | 135/184/5800 | 161/218/5800 | 63/86/4600 |
| Torque [Nm/RPM] | 215/4000 | 240/3250 | 240/4200 | 310/4000 | 152/2500 |
| Timing gear | łańcuch | pasek | łańcuch | łańcuch | pasek |
| Particle filter | - | - | - | - | - |
| Gearbox | man. 4,5b/aut. 3,4b | manual. 5b/aut. 4b | man. 5b/aut. 3,4b | manual. 5b/aut. 4b | manualna 5b |
| Drivetrain | tylny | tylny | tylny | tylny | tylny |
| Brakes, front/rear | tarcz./tarcz. | tarcz./tarcz. | tarcz./tarcz. | tarcz./tarcz. | tarcz./tarcz. |
| Front suspension | kol. MacPhersona | kol. MacPhersona | kol. MacPhersona | kol. MacPhersona | kol. MacPhersona |
| Rear suspension | wielowahaczowe | wielowahaczowe | wielowahaczowe | wielowahaczowe | wielowahaczowe |
| Curb weight [kg] | 1290/1310 | 1250/1270 | 1320/1360 | 1390/1410 | 1330 |
| Body dimensions [mm] | 4620/1700/1415 | 4620/1700/1415 | 4620/1700/1415 | 4620/1700/1415 | 4620/1700/1415 |
| Luggage capacity [l] | 460 | 460 | 460 | 460 | 460 |
| Acceleration 0-100km/h (0-62mph) [s] | 9,9/12,0 | 10,7/12,3 | 8,9/11,0 | 7,2/8,9 | 18,0 |
| Top speed [km/h] | 197/190 | 185/180 | 209/203 | 230/223 | 164 |
| Fuel cons. (city/h-way/comb.) [l/100km] | 13,9/8,7/10,7 | 11,5/5,9/7,5 | 14,9/6,9/10,3 | 16,0/7,1/10,6 | 9,2/5,6/7,4 |
| Fuel tank capacity [l] | 70 | 70 | 70 | 70 | 70 |
| Ratio kg/PS | 8.6/8.73 | 10/10.16 | 7.17/7.39 | 6.38/6.47 | 15.47 |