See Group 46.
![](https://motoinstruction.ru/img/bmw/21/127216.jpg)
Warning: Comply with safety precautions when handling or working with fuel; note that the fuel lines are pressurised.
- Connect a test pressure gauge, BMW No. 16 1 500, to fuel-supply line (inner hose, with white mark for identification).
- Start engine and allow to idle.
Fuel pressure:
- Specification — 3.5 bar (49.80 psi)
Note: If fuel pressure is lower than this, check the fuel pump, fuel filter, pressure regulator and lines.
Removing and installing control unit of cruise-control system
See Group 65.
Checking throttle cable play, adjusting if necessary
See Group 00.