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Home >> Mini >> 2009 >> Cooper Base, 2D Hatchback, Automatic >> Repair and Diagnosis >> Engine Performance >> Ignition System >> Engine Electrical System - Repair - R56 (N12) >> Electronic Switching Or Control Units >> 12 14 550 Replacing Control Unit (DME)
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12 14 550 Replacing Control Unit (DME)

Necessary preliminary tasks: 

IMPORTANT: Follow instructions for removing and installing electronic control units.
IMPORTANT: Read and comply with notes on protection against electrostatic damage (ESD protection).
NOTE:
  • Connect diagnosis system
  • Read fault memory.
  • Check stored fault messages
  • Rectify faults
  • Clear fault memory

Unlock and remove cover (1).

Fig 1: Identifying Control Unit Cover
G04796427Courtesy of BMW OF NORTH AMERICA, INC.

Unlock plug (1) and remove.

Fig 2: Identifying Unlock Plug
G04796428Courtesy of BMW OF NORTH AMERICA, INC.

Press locks in direction of arrow and remove control unit (2) towards top.

Locks are accessible through bores (1).

Fig 3: Removing Control Unit
G04796429Courtesy of BMW OF NORTH AMERICA, INC.
NOTE:
  • Check stored fault messages
  • Clear fault memory
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