BMW 5 Series: Crankcase monitoring
On-board diagnosis

Feed-in point of the blow-by gases to the clean air line upstream from the
exhaust turbocharger
- Non-return valve
- Connection to exhaust turbocharger
- Captive screws
- Crankcase bleeding connection
- Tank ventilation connection
- Connection to clean air line
- Aluminum heating pipe
- Electrical connection of heating element
Owing to the stricter legislation in the USA, the engines for the US market
have an OBD concept
"pressure sensor". With a differential pressure sensor in the tank ventilation
system and the hot film
air mass meter, leaks in the crankcase ventilation, tank ventilation, as well as
the blow-by lines can be
identified. Via a feed-in point at the exhaust turbocharger the blow-by gases
are fed back into the clean
air line of the air intake system.
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Exhaust turbocharger in the B58TU engine
Exhaust turbocharger made of steel, for cylinder head-integrated exhaust
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Fuel preparation
The fuel preparation has been modified to meet the requirements of emission
legislation. The high
pressure pump and the injectors have been revised and designed for a fuel
injection
Mounting the injectors
Mounting bolts
Plastic sleeve
Holding clamp with bayonet fitting
Rail
Solenoid valve injector
Cast lug
The solenoid valve injectors are fastened to the holding clamp w
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Head Unit High
Vehicles that do not have the
Switching on
Press the button on the steering
wheel.
The indicator lights in the instrument cluster light
up and the mark in the speedometer is set to the
current speed.
Cruise control is active. The current speed is
maintained and stored as desired speed.
DSC Dynamic Stability Control is switche