LEMON Manuals: Even more car manuals for everyone
Home >> BMW >> 2012 >> 320i Standard Trans >> Repair and Diagnosis >> Engine Performance >> Tune-Up >> Engine Electrical System - Repair - F30 >> Starter With Mounting >> 12 41 020 Removing and installing/replacing starter motor (N47 D16/20 K/U/O/T 1)

12 41 020 Removing and installing/replacing starter motor (N47 D16/20 K/U/O/T 1)

Necessary preliminary work: 

Release screws (1).

Remove connecting piece (2).

Fig 1: Identifying Screws And Connecting Piece
G10102269Courtesy of BMW OF NORTH AMERICA, INC.

Release screws (1).

Remove holder (2).

Partially detach sound insulation on the bottom.

Fig 2: Identifying Screws And Holder
G10102270Courtesy of BMW OF NORTH AMERICA, INC.

Release nut (1) and remove cable.

Tightening torque: 12 52 1AZ .

Release nut (2) and remove the positive battery cable.

Tightening torque: 12 52 3AZ .

Release cable at clamp (3) from starter motor.

Fig 3: Identifying Nut And Clamp
G10102271Courtesy of BMW OF NORTH AMERICA, INC.

Release screws (1), (2) and (3).

Remove starter motor.

Installation note: 

Observe screwing sequence. 

Position and secure starter motor. Tighten down screws (1) and (2). Tighten screw (3).

Tightening torque: 12 41 1AZ .

Fig 4: Identifying Screws
G09945580Courtesy of BMW OF NORTH AMERICA, INC.

Installation note: 

Check starter pinion and ring gear for damage.

Replace damaged starter motor.

Assemble engine.

Only during starter replacement and on vehicles with MSA (automatic engine start-stop function):