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HOMESERVICE MANUALSBMW2006525I STANDARDREPAIR AND DIAGNOSISENGINE PERFORMANCESYSTEMENGINE MANAGEMENT - OVERVIEWE60 ENGINE MANAGEMENTMS45.1NEW SYSTEM COMPONENTS / FUNCTIONS
2006 BMW 525i Standard

New System Components / Functions

2006 BMW 525i StandardSECTION New System Components / Functions

MS5.1 Engine Control Module:  The ECM is located in the under hood E box (below). The following modified controls / functions have been made to MS45.1 for use in the E60.

  • New hot film air mass sensor (HFM).
  • Changed data record variant (matched to E60).
  • Lead to the CAS for start enable (starting relay is integrated in the CAS). (automatic/SMG transmissions only).
  • The Driving Dynamics control (FDC) signal is transmitted via the PT-CAN.
  • The cruise control (FGR) signal is sent from the MFL via the PT-CAN to the ECM.
  • Connection of the intelligent battery sensor (IBS) to the bit-serial data interface (BSD).
  • The software for power management (vehicle electrical system) is integrated in the ECM.
  • The A/C compressor is activated via the PT-CAN.
  • Fault diagnosis is performed through the SGM via the PT-CAN to the ECM.
  • Activation of the ECM main relay (525i / 530i in E box, 545i in IVM).
  • Bosch LSU 4.2 linear lambda oxygen sensors (pre-catalyst as in N62).
  • Mini hot film air mass sensor (HFM) in the secondary air system.
Fig 1: Identifying ECM
G03388683Courtesy of BMW OF NORTH AMERICA, INC.
RENDER: 1.0x

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