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 !
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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
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
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
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Concept
Addresses, Points of Interest, and the current
position can be stored as Favorites.
Storing current position as a Favorite
General information
The current position can also be stored after entering
a destination or via the interactive map,
even while driving.
Storing
1. Press the button on t
Data transfer
Concept
The vehicle offers different services, whose use
requires a data transfer to BMW or a service provider.
The data transfer can be deactivated for
some services.
General information
When the data transfer is deactivated, the respective
service cannot be used.
Only make these se