12 14 550 Replacing control unit (DME)

Necessary preliminary tasks: 

• Remove VEHICLE BATTERY
• Remove LEFT COWL PANEL COVER .

It is absolutely essential to read out the fault memory with the MINI diagnosis system and create a fault memory printout.

Replacement: 

• Carry out programming/encoding
• If no data can be read out from the previous control unit, carry out injection quantity compensation (description at end of instructions).

Removal: 

Release screw (1).

Fig 1: Control Unit Screw

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Remove equipment holder (1) from the battery plate in direction of arrow and slightly pull it to the front.

Fig 2: Removing Equipment Holder From Battery Plate

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Unclip and remove cover (1).

Fig 3: Battery Cover

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Unlock and disconnect all connectors (1) on control unit.

Fig 4: Control Unit Connectors

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Unclip and remove cover (1).

Fig 5: Control Unit Cover

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Unlock locks (1) and remove DME control unit (2) in upwards direction.

Fig 6: Removing DME Control Unit

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Installation: 

Slide DME control unit (1) into the equipment holder until the locks (2) can be locked.

Fig 7: Sliding DME Control Unit Into Equipment Holder

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Install cover (1).

Fig 8: Control Unit Cover

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Connect all connectors (1) to control unit.

All connectors (1) must engage audibly.

Installation note: 

Connect connectors from front to rear.

Fig 9: Control Unit Connectors

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Install cover (1).

Fig 10: Battery Cover

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Insert equipment holder (1) into rear section of battery plate (2) in direction of arrow.

Fig 11: Inserting Equipment Holder Into Rear Section Of Battery Plate

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Tighten screw (1).

Tightening torque 12 90 1AZ .

Fig 12: Control Unit Screw

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• Connect diagnosis system and follow the diagnosis instructions:
  • Read out vehicle data
  • Identification without vehicle test
  • Start vehicle test
  • Vehicle handling
  • Service functions
  • Power train
  • Engine electronics
  • Adjustment functions
  • Delete adaptations
  • Reset adaptation values
  • Resetting minimum quantity adaptations