# HOWTO GDI Flow Bench From Bosch 7506280

[bosch 7506280 GDI driver - Forum](https://rusefi.com/forum/viewtopic.php?f=4&t=1564)

[BMW e65](BMW-e65)

[OEM-connectors#121](OEM-connectors#121)

[HOWTO depin Video](https://youtu.be/5nto9Sa7yKc?t=65)

## Bosch 7506280 wiring

### 81 pin connector

|Pin Number|Name      | Type ID | Default function                   | rusEFI color | rusEFI connector |
| ---:|:------------- | ----- |:------------------------------------ |------------- | ------------- |
| 1   | **GND**       | gnd   | Power GND                            | BRN          |               |
| 2   | **GND**       | gnd   | Power GND                            | BRN          |               |
| 4   |               |       | +12v                                 |              |               |
| 44  |               | ls    | Injector Control #1                  |              |               |
| 45  |               | ls    | Injector Control #5                  |              |               |
| 46  |               | ls    | Injector Control #3                  |              |               |
| 47  |               | ls    | Injector Control #6                  |              |               |
| 48  |               | ls    | Injector Control #2                  |              |               |
| 49  |               | ls    | Injector Control #4                  |              |               |
| 51  |               |       | +12                                  |              |               |
| 52  |               |       | CAN                                  |              |               |
| 53  |               |       | CAN                                  |              |               |
|     |               |       |                                      |              |               |

### 40 pin connector

|Pin Number|Name      | Type ID | Default function                   | rusEFI color | rusEFI connector |
| ---:|:------------- | ----- |:------------------------------------ |------------- | ------------- |
|     |               |       |                                      |              |               |
|     |               |       |                                      |              |               |
| 90  |               |       | inj gnd #3                           |              |               |
| 91  |               |       | inj gnd #3                           |              |               |
| 92  |               |       | inj gnd #4                           |              |               |
| 93  |               |       | inj gnd #4                           |              |               |
| 94  |               |       | inj pos #3                           |              |               |
| 95  |               |       | inj pos #3                           |              |               |
| 96  |               |       | inj pos #4                           |              |               |
| 97  |               |       | inj pos #4                           |              |               |
|     |               |       |                                      |              |               |
|     |               |       |                                      |              |               |
| 114 |               |       | inj gnd #1                           |              |               |
| 115 |               |       | inj gnd #6                           |              |               |
| 116 |               |       | inj pos #5                           |              |               |
| 117 |               |       | inj gnd #5                           |              |               |
| 118 |               |       | inj pos #1                           |              |               |
| 119 |               |       | inj gnd #2                           |              |               |
| 120 |               |       | inj pos #6                           |              |               |
| 121 |               |       | inj pos #2                           |              |               |
|     |               |       |                                      |              |               |