Service Repair Manual | |
| Year | 1987-1994 |
| Engine code | M70B50 |
| Engine size | 4988ccm |
| Power | 220kw |
| Idle speed | 650-750rpm |
| Compression | 10.0-12.0bar |
| Fuel system | Bosch Motronic M1.2 / M1.7 |
| Firing order | 1-7-5-11-3-9-6-12-2-8-4-10 |
| Spark plug | Bosch F8LCR Denso K16R-U NGK ZFR5F |
| Electrode gap | 0.7-0.9mm |
| CO | 1.5% |
| CO Catalyst | 0.5% |
| CO2 | 13.0-16.0% |
| CO2 Catalyst | 14.5-16.0% |
| HC | 300ppm |
| HC Catalyst | 100ppm |
| O2 | 0.5-2.0% |
| O2 Catalyst | 0.1-0.5% |
| CO content at increased idle speed | 0.3% |
| Increased idle speed for CO test | 2500-3000rpm |
| Lambda | 0.97-1.03 |
| Radiator cap | 1.9-2.1bar |
| Thermostat opens | 85℃ |
| Ventilator turn on | 88-96℃ |
| Battery | 85Ah |
| Alternator | 140A |
| Cylinder head tightening sequence | |
 | |
| Cylinder head tightening torque 1 | 30Nm |
| Cylinder head tightening torque 2 | 60° |
| Cylinder head tightening torque 3 | 60° |
| Spark plug Tightening torque | 30Nm |
| Engine oil with filter | 7.5l |
| Cooling system | 13.0l |
| Automatic transmission fluid | 3.0l |
| Differential | 1.7l |
| Engine oil grade | ACEA A2-96 SAE 10W-30 |
| ACEA A2-96 SAE 10W-40 | |
| ACEA A2-96 SAE 15W-40 | |
| Automatic transmission fluid type | ATF Dexron II |
| Brake fluid | DOT 4 |
 | |
| Tire dimension (x/y R z) | 225/60 R15 |
| 240/45 R15 | |
| Front wheel presure | 2.6bar |
| Rear wheel presure | 3.0bar |
| Wheel bolt tightening torque (B) | 90-110Nm |
| Front hub tightening torque (H) | 290Nm |
| Rear hub tightening torque (H) | 248Nm |
 | |
| Minimal front brake disk thickness (R) | 28.4mm |
| Minimal rear brake disk thickness (R) | 18.4mm |
| Minimal front pad thickness (P) | 3.0mm |
| Minimal rear pad thickness (P) | 3.0mm |
BMW 7 E32 750i (4988ccm) 1987-1994
Manufacturer | |
| BMW | |
Model | |
| 7 E32 | |
Type | |
| 750i | |
Year | |
| 1987-1994 | |
Engine code | |
| M70B50 | |
Engine size | |
| 4988ccm | |
Power | |
| 220kw | |
