BMW 3: Fuel preparation
The fuel preparation has again been adapted to meet the emission legislation requirements. The high pressure pump and the injectors have been revised and designed for an fuel injection pressure of 350 bar (5076 psi).
Overview of fuel preparation
- Fuel delivery line
- Rail pressure sensor
- Direct rail
- Quantity control valve
- High pressure pump
- Solenoid valve injector
Strict cleanliness must be observed when carrying out any work on the fuel system !
READ NEXT:
Fuel high-pressure pump
The single-piston high pressure pump by Bosch, well-known from the B46
engine, is used. The high
pressure pump HDP6 is driven by a triple cam which is attached to the exhaust
camshaft. To be able
to
Direct rail
Injector mounting
Mounting bolts
Plastic sleeve (not required to be reinstalled after taken apart for
service)
Holding clamp with bayonet fitting
Rail
Solenoid valve injector
Casting lug
Th
Solenoid valve injector
Measures at the solenoid valve injector
The following graphic illustrates the differences between the HDVE5 and HDEV6
fuel injectors:
Solenoid valve injectors
Solenoid valve injector HDEV5
Soleno
SEE MORE:
Equipotential bonding
The low-resistance connection between the housing of the high-voltage battery
unit and ground is
a crucial prerequisite for the fault-free function of the integrated isolation
monitoring. This is why it
is important to observe the correct tightening torque for all assembly screws.
It is also impo
Fatigue alert
General information
The system can detect decreasing alertness or
fatigue of the driver during long, monotonous
trips, for instance on highways. In this situation, it
is recommended that the driver takes a break.
Safety information
Warning
The system cannot serve as a substitute for the
driver's pe
© 2019-2026 Copyright www.bmw3g20.com
