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Fuel Pressure Regulator
Pressure regulator maintains constant fuel pressure to injectors. An electric fuel pump provides fuel to pressure regulator. Pressure regulator is vacuum operated. As the throttle is depressed and manifold vacuum drops, pressure regulator increases fuel pressure to maintain constant flow to fuel injectors.
MOTRONIC ENGINE MANAGEMENT SYSTEM RELAY LOCATIONS
| Application |
Location |
| 318i & 318is |
Behind Cover, Along Engine Compartment Firewall |
| 318ti |
|