Necessary preliminary tasks

• Read fault memory.
• Disconnect NEGATIVE BATTERY CABLE
• Remove MICROFILTER HOUSING
• Remove TENSION STRUT ON SPRING STRUT DOME on right

Release screws (1).

Slacken nut (2).

Lift out right heater end plate (3).

Installation: 

Ensure gasket (4) is correctly seated.

Fig 1: Lifting Right Heater End Plate

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Unlock fasteners (1) from below and slide upwards approx. 10 mm.

Unlock locks (2) in direction of arrow.

Remove cover (3).

Fig 2: Unlocking Locks

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Lift out plug connection (2), fuse carrier (3) and wiring harness grommet (4) from electronics box (1).

Installation: 

Make sure wiring harness grommets (4) are correctly seated in electronics box (1).

Fig 3: Identifying Electronics Box With Plug Connection, Fuse Carrier And Wiring Harness Grommet

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Unlock DME control unit at holders (1) and raise slightly.

Pull tab (3) in direction of arrow out of housing and disconnect plug connections (2) on DME control unit.

Fig 4: Pulling Tab

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If necessary, press locking tabs (1) in direction of arrow and pull contact carrier (2) out of housing.

Fig 5: Pressing Locking Tabs

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If necessary, press locking tab (1) in direction of arrow and pull contact carrier (2) out of housing.

Fig 6: Pressing Locking Tab

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Unlock device holder (2) at holder (1) and remove.

Remove DME control unit (3).

Fig 7: Removing Device Holder

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Unlock device holder (2) at holder (1) and remove.

Fig 8: Identifying DME Control Unit Holders

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Remove device holder (1) from electronics box.

Fig 9: Identifying Electronics Box Holder

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Release screws (1).