| 26 version of the engine | 123456 | | Typ | 520d | 520d | 525d | 525d | 530d |
| Engine | turbo diesel | turbo diesel | turbo diesel | turbo diesel | turbo diesel |
| Type of injection | Common rail | Common rail | Common rail | Common rail | Common rail |
| Engine Code | N47D20 | N47D20 | M57D25TU | M57D30TU2 | M57D30TU |
| Years of mounting | 2005-2007 | 2007-2010 | 2004-2007 | 2007-2010 | 2004-2005 |
| Cylinders/valves | R4/16 | R4/16 | R6/24 | R6/24 | R6/24 |
| Displacement [cm³] | 1995 | 1995 | 2497 | 2993 | 2993 |
| Power [kW/PS/RPM] | 120/163/4000 | 130/177/4000 | 130/177/4000 | 145/197/3750 | 160/218/4000 |
| Torque [Nm/RPM] | 340/2000-2750 | 350/1750-3000 | 400/2000-2750 | 400/1300-3250 | 500/2000 |
| Timing gear | łańcuch | łańcuch | łańcuch | łańcuch | łańcuch |
| Particle filter | - | tak (DPF) | - | tak (DPF) | - |
| 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./t. went. | tarcz. went./t. went. | tarcz. went./t. went. | tarcz. went./t. went. | tarcz. went./t. went. |
| Front suspension | wielowahaczowe | wielowahaczowe | wielowahaczowe | wielowahaczowe | wielowahaczowe |
| Rear suspension | wielowahaczowe | wielowahaczowe | wielowahaczowe | wielowahaczowe | wielowahaczowe |
| Curb weight [kg] | 1600/1610 | 1600/1620 | 1675/1685 | 1660/1690 | 1685/1700 |
| Body dimensions [mm] | 4843/1846/1491 | 4843/1846/1491 | 4843/1846/1491 | 4843/1846/1491 | 4843/1846/1491 |
| Luggage capacity [l] | 500/1650 | 500/1650 | 500/1650 | 500/1650 | 500/1650 |
| Acceleration 0-100km/h (0-62mph) [s] | 8,9 | 8,5/8,6 | 8,3/8,5 | 7,8/7,9 | 7,2/7,4 |
| Top speed [km/h] | 218 | 224 | 225/222 | 232 | 242/240 |
| Fuel cons. (city/h-way/comb.) [l/100km] | 9,6/5,6/7,1 | 7,7/4,7/5,8 | 10,9/6,5/8,0 | 8,6/5,4/6,6 | 11,1/6,4/8,0 |
| Fuel tank capacity [l] | 70 | 70 | 70 | 70 | 70 |
| Ratio kg/PS | 9.82/9.88 | 9.04/9.15 | 9.46/9.52 | 8.43/8.58 | 7.73/7.8 |