| 12 version of the engine | 123 | | Typ | 528 | 528 | 528i | 528i | M 535i |
| Engine | benzynowy | benzynowy | benzynowy | benzynowy | benzynowy |
| Type of injection | gaźnik | gaźnik | pośredni MPI | pośredni MPI | pośredni MPI |
| Engine Code | M30B28 | M30B28 | M30B28 | M30B28 | M30B35 |
| Years of mounting | 1975-1977 | 1976-1981 | 1977-1981 | 1977-1981 | 1980-1981 |
| Cylinders/valves | R6/12 | R6/12 | R6/12 | R6/12 | R6/12 |
| Displacement [cm³] | 2788 | 2788 | 2788 | 2788 | 3453 |
| Power [kW/PS/RPM] | 121/165/5800 | 125/170/5800 | 130/177/5800 | 136/184/5800 | 160/218/5200 |
| Torque [Nm/RPM] | 233/4000 | 233/4000 | 235/4300 | 240/4200 | 310/4000 |
| Timing gear | łańcuch | łańcuch | łańcuch | łańcuch | łańcuch |
| Particle filter | - | - | - | - | - |
| Gearbox | manual. 4b/aut. 3b | manual. 4b/aut. 3b | manual. 4b/aut. 3b | manual. 4b/aut. 3b | manualna 5b |
| Drivetrain | tylny | tylny | tylny | tylny | tylny |
| Brakes, front/rear | tarcz./tarcz. | tarcz./tarcz. | tarcz./tarcz. | tarcz./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] | 1350/1370 | 1385/1405 | 1410/1430 | 1410/1430 | 1430 |
| Body dimensions [mm] | 4620/1690/1425 | 4620/1690/1425 | 4620/1690/1425 | 4620/1690/1425 | 4620/1690/1425 |
| Luggage capacity [l] | 440 | 440 | 440 | 440 | 440 |
| Acceleration 0-100km/h (0-62mph) [s] | 9,5/12,7 | 9,5/12,7 | 9,3/11,7 | 9,3/11,7 | 7,5 |
| Top speed [km/h] | 198/190 | 198/190 | 208/200 | 208/200 | 208/200 |
| Fuel cons. (city/h-way/comb.) [l/100km] | - / - /9,3 | - / - /9,3 | - / - /9,4 | 17,1/8,3/11,9 | 19,3/8,6/12,8 |
| Fuel tank capacity [l] | 70 | 70 | 70 | 70 | 70 |
| Ratio kg/PS | 8.18/8.3 | 8.15/8.26 | 7.97/8.08 | 7.66/7.77 | 6.56 |