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Home >> Mini >> 2010 >> Cooper S, 2D Hatchback, Standard >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 231 (Engine Electrical System - Repair - R57 (N12)) >> Electronic Switching Or Control Units >> 12 14 550 Replace the control unit (DME) (N12, N14, N16, N18)

12 14 550 Replace the control unit (DME) (N12, N14, N16, N18)

WARNING: This page is about a different variant/trim than selected.

Necessary preliminary work: 

IMPORTANT: Follow NOTES FOR REMOVING AND INSTALLING ELECTRONIC CONTROL UNITS .
IMPORTANT: It is absolutely essential to read out the fault memory with the MINI diagnosis system and create a fault memory printout.

Switch off ignition.

IMPORTANT: Read and comply with notes on ESD PROTECTION (ELECTRO STATIC DISCHARGE) .

Replacement: 

NOTE:
  • Connect diagnosis system.
  • Read fault memory.
  • Check stored error/fault messages.
  • Rectify fault.
  • Delete fault memory.

Version 1:

Unlock and remove cover (1).

Fig 1: Identifying Wire Harness Section Cover
G04796427Courtesy of BMW OF NORTH AMERICA, INC.

Type 2:

Release screw (1) at side.

Unlock clamps and remove cover.

Fig 2: Locating Cover Screw
G06907343Courtesy of BMW OF NORTH AMERICA, INC.

Unlock connector (1) and remove.

Fig 3: Locating Knock Sensor Screw
G04796428Courtesy of BMW OF NORTH AMERICA, INC.

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

Locks are accessible through bore holes (1).

Fig 4: Removing Control Unit
G04796429Courtesy of BMW OF NORTH AMERICA, INC.
NOTE:
  • Reassemble the vehicle.
  • Check stored fault messages.
  • Delete fault memory.
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