BMW 5 Series: Introduction
The product information "B58 Engine" serves as the basis for this document.
This document
exclusively describes the changes to the B58 engine and serves to support
Technical Service.
Due to the huge similarities, the two engines are described in the one document.
Innovations
To meet the legal requirements for emissions, a number of technical
improvements have been
implemented. The technical updates for the B58TU engine include the following
new features:
New features on the B58TU engine
- Fuel preparation with 350 bar injection pressure
- Cylinder head with integrated exhaust manifold
- Adapted exhaust turbocharger made from steel
- Split cooling
- Coolant pump with integrated pressure relief valve
- Heat management module with electric split cooling valve
- Single-part chain drive
Weight savings in the crankshaft drive area, injection pressure boosting in
the fuel preparation area,
and function changes in the engine cooling area have made it possible to reduce
the CO2 emissions by
2.5%, while increasing engine performance by 10 kW/50 Nm. (13 hp/36 lb-ft)
Technical data
The following engine versions are described in this product information:
Performance diagrams
Comparison of performance curves between B58B30M1 and B58B30M0 engine
Model overview
The following table provides an overview of the models in which the new B58TU
engine is used from
07/2018:
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The following figures show the two cylinder head variants with and without
the cylinder
head-integrated exhaust manifold.
Cylinder head of B58TU engine
Cylinder head with integrated exhaust manifo
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Concept
Depending on the program, the massage function
ensures relaxed muscles and better blood
circulation and can avoid fatigue.
General information
Eight different massage programs can be selected:
Pelvis activation.
Upper body activation.
Full body activation.
Back massage.
Shoulder massag
The system measures potential parking spaces when driving past at a speed
below approximately
22 mph (35 km/h) even without the system having been activated.
The parking spaces are measured by two additional ultrasonic sensors, which are
integrated into
the front wheel arch. Two additional u