LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> BMW >> 2012 >> 528i >> Repair and Diagnosis >> Engine Performance >> Ignition System >> Engine Electrical System - Repair >> Electrical Machines >> 12 35 005 Remove/install/replace electric machine
April 5, 2026: LEMON Manuals is launched! Read the announcement.

12 35 005 Remove/install/replace electric machine

Special tools required: 

WARNING: High-voltage system - danger to life!

The following points must be strictly observed prior to starting work  :

Necessary preliminary work: 

Fix special tool 24 0 200 to marked positions on automatic transmission (1).

Using special tool 24 0 200 , fit automatic transmission (1) to special tool 00 2 300 (assembly stand).

Fig 1: Installing Automatic Transmission To Special Tool (00 2 300)
G09914213Courtesy of BMW OF NORTH AMERICA, INC.

Position automatic transmission (4) vertically.

Release screw (1).

Release screws (2) of electrical machine (3) on automatic transmission (4).

Fig 2: Identifying Automatic Transmission Electrical Machine And Screws
G09914214Courtesy of BMW OF NORTH AMERICA, INC.

Installation note: 

Replace screws.

Observe screw-fitting sequence:

  1. Apply tightening force to screws (1 - 5) in numeric sequence.

    Jointing torque 12 35 1AZ .

  2. Tighten screw (6).

    Tightening torque 12 35 2AZ .

    Fig 3: Transmission Housing Bolts Tightening/Loosening Sequence
    G09914215Courtesy of BMW OF NORTH AMERICA, INC.

Screw special tool 2 297 311 in electrical machine (1).

Fig 4: Identifying Special Tool (2 297 311)
G09914216Courtesy of BMW OF NORTH AMERICA, INC.

Position workshop crane (1) vertically over electrical machine (2).

Attach workshop crane to special tool 2 297 311 .

Carefully lift out electrical machine (2) from automatic transmission (3) with workshop crane (1).

Sourcing reference, workshop crane: 

Fig 5: Lifting Out Electrical Machine Using Workshop Crane
G09914217Courtesy of BMW OF NORTH AMERICA, INC.

Installation note: 

Clean automatic transmission prior to installation of electrical machine (1).

Align to electrical machine (1) to transmission aperture for high-voltage connection (2) and rotor position sensor (3).

Carefully insert electrical machine (1) in automatic transmission.

Fig 6: Inserting Electrical Machine In Automatic Transmission
G09914218Courtesy of BMW OF NORTH AMERICA, INC.
IMPORTANT: Position electrical machine (1) to recesses of special tool 2 297 312 .

Carefully place electrical machine (1) on special tool 2 297 312 .

Fig 7: Positioning Electrical Machine
G09914219Courtesy of BMW OF NORTH AMERICA, INC.

Connect BMW diagnosis system:

  1. Service functions
  2. Power train
  3. Hybrid car
  4. Electrical machine electronics
  5. Motor position sensor adjustment