BMW 5 Series Owners & Service Manuals

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:

Innovations
New features on the B58TU engine

  1. Fuel preparation with 350 bar injection pressure
  2. Cylinder head with integrated exhaust manifold
  3. Adapted exhaust turbocharger made from steel
  4. Split cooling
  5. Coolant pump with integrated pressure relief valve
  6. Heat management module with electric split cooling valve
  7. 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:

Technical data

Performance diagrams

Technical data
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:

Technical data

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     Engine Mechanical

     Engine housing

     Cylinder head

    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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     Direct rail

    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 with a bayonet fitting. There is a plastic sleeve between the holding clamp and direct rail. This is

     Refueling

    General information Follow the fuel recommendation. Safety information NOTICE With a driving range of less than 30 miles/50 km the engine may no longer have sufficient fuel. Engine functions are not ensured anymore. There is a risk of damage to property. Refuel promptly. Fuel cap Opening 1. To open

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