11 12 000 Removing and installing/sealing cylinder head cover (B48, B46)

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2019 MINI Cooper, 2018 MINI Cooper, 2017 MINI Cooper, 2016 MINI Cooper, and 2015 MINI Cooper. However, it is still accessible from the selected car via links, so may be relevant.

Necessary preliminary tasks:

Remove CLEAN AIR PIPE
Remove all INJECTORS
Remove FEED LINE
Remove HIGH PRESSURE PUMP
Remove BOTH ACTUATORS
Release WIRING HARNESS FOR INJECTORS in area of cylinder head cover
Release WIRING HARNESS FOR SENSOR SYSTEM in area of cylinder head cover

Removal:

Slacken nut (1).

Remove holder (2).

Fig 1: Holder And Nut

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Detach coolant lines (1) from holder.

Fig 2: Coolant Lines

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Attention !

Have a cleaning cloth ready. A small quantity of engine oil will escape after the screw connection has been released.

Make sure no engine oil runs onto belt drive.

Release screw (1).

Pull off oil feed line (2) from cylinder head.

Fig 3: Oil Feed Line And Screw

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Release screws in the sequence 15 - 1.

Remove cylinder head cover.

Fig 4: Engine Valve Cover Screws Loosening/Tightening Sequence

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Replacement:

Remount PULSE SENSOR ON INTAKE CAMSHAFT
Remount PULSE SENSOR ON EXHAUST CAMSHAFT

Installation:

NOTE: Replace profile seal (1).

Fig 5: Profile Seal

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NOTE: The cylinder head cover (1) must not touch the high pressure pump bracket (2) in the marked area.

Fig 6: Cylinder Head Cover And High Pressure Pump Bracket

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Position cylinder head cover.

Attention!

Risk of damage to cylinder head cover!

Make sure that the cylinder head cover does not touch the high pressure pump bracket!

Join all cylinder head cover screws for 1/2 revolution in the sequence 1 - 15.

Tighten cylinder head cover screws in the sequence 1 - 15.

Tightening torque: 11 12 3AZ .

Fig 7: Engine Valve Cover Screws Loosening/Tightening Sequence

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NOTE: Replace O-ring (1).

Fig 8: O-Ring

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Install oil feed line (2).

Tighten screw (1).

Tightening torque 11 42 4AZ .

Fig 9: Oil Feed Line And Screw

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Clip in coolant line (1) into the holder.

Fig 10: Coolant Lines

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Position holder (2) on cylinder head.

Tighten nut (2).

Fig 11: Holder And Nut

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