13 51 Injection Pump, Control Receptacle
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2003 BMW 540i, 2002 BMW 540i, 2001 BMW 540i, 2000 BMW 540i, and 1999 BMW 540i. However, it is still accessible from the selected car via links, so may be relevant.
INJECTION PUMP REGULATOR SPECIFICATION
| Application | Type | Measure |
|---|---|---|
| 1AZ Plug for high pressure section of injection pump | M21 / M51 / M41 | 25 Nm |
| 2AZ Distributor injection pump to holder | M21 / M51 / M41 | 25 Nm |
| 3AZ Electric shutoff to injection pump | M21 / M51 / M41 | 20 +/- 5 Nm |
| 4AZ Electric cold start valve to injection pump | M21 | 20 Nm |
| 5AZ Coupling bolt (OUT) to injection pump (fuel return) | M21 / M51 / M41 | 25 Nm |
| 6AZ Pressure valve holder to injection pump | M21 / M51 | 45 Nm |
| 7AZ Expansion element housing (temperature dependent idling speed boost) to injection pump | M21 | 18 Nm |
| 8AZ Distributor injection pump to flange and console | M21 / M51 / M41 | 22 Nm |
| 9AZ Electr. line on fuel cutout device | M51 / M41 | 2.5 Nm |
| 10AZ Fuel feed line to injection pump (VP44) | M47 | 30 Nm |
| 11AZ Fuel return line to injection pump (VP44) | M47 | 25 Nm |
| 12AZ Plug for static basic adjustment (injection pump VP44) | M47 | 13 Nm |
| 13AZ Blocking screw for injection pump shaft without spacer plate (injection pump VP44) | M47 | 31 Nm |
| 14AZ Blocking screw for injection pump shaft with spacer plate (injection pump VP44) | M47 | 13 Nm |
| 15AZ Injection line (union nut) to injection pump (VP44) | M47 | 30 Nm |