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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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
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Glass sunroof
General information
The glass sunroof and the sun protection are operated
using the same switch.
Safety information
Warning
Body parts can be jammed when operating the
glass sunroof. There is a risk of injury. Make
sure that the area of movement of the glass
sunroof is clear during opening and clos
Climate control
Automatic climate control
Temperature.
Recirculated-air mode.
Maximum cooling.
AUTO program.
Air distribution, manual.
Switching off.
Defrost and defog the
windshield.
Rear window defroster.
Seat heating.
Climate control operation.
Air flow, manual.
Automatic climate control with
enhanced
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