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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B58TU exhaust turbocharger
Exhaust turbocharger in the B58TU engine
Exhaust turbocharger made of steel, for cylinder head-integrated exhaust
manifold ZIAK¹
Exhaust turbocharger made of steel, f
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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General information
The engine oil consumption is dependent on
your driving style and driving conditions.
Therefore, regularly check the engine oil level after
refueling by taking a detailed measurement.
The engine oil consumption can increase in the
following situations, for instance:
Sporty dr
The G30 has Electronic Power Steering (EPS) in the following different
versions:
Standard steering 12 V
Integral Active Steering 12 V
Integral Active Steering 24 V
Overview of equipment specifications
The following graphic shows the installation positions of the different
system components.