Removing the intake plenum

WARNING: This page is about a different car, the 2023 BMW X5, 2022 BMW X5, 2021 BMW X5, 2020 BMW X5, and 2019 BMW X5. However, it is still accessible from the selected car via links, so may be relevant.

WARNING: High-voltage system .
The high-voltage system operates on the basis of hazardous, electrical voltage and high currents. Mortal hazard through electric shock!

All work on the high-voltage system may only be carried out by specially trained and technically experienced personnel.
For additional information see: SAFETY INSTRUCTIONS ON HANDLING HYBRID CARS .
For additional information see: NOTES ON REPAIR OF HIGH-VOLTAGE BATTERY UNIT .

NOTE: TECHNICAL INFORMATION
Additional coolant can leakage. Make sure that no coolant enters the intake port of the cylinder head.

NOTE: TECHNICAL INFORMATION
Collect and dispose of emerging fluids. Observe country-specific waste disposal regulations.

Preliminary work

Refer to BRINGING FRONT COMPARTMENT LID IN THE SERVICE POSITION .
Refer to REMOVING FLAP IN LUGGAGE COMPARTMENT TRIM PANEL ON RIGHT .
Refer to DE-ENERGIZING THE HIGH-VOLTAGE SYSTEM .
Refer to CHECKING THAT NO VOLTAGE IS APPLIED .
Refer to REMOVING THE ACOUSTIC COVER .
Refer to REMOVING ACOUSTIC COVER AT REAR .
Refer to REMOVING INTAKE SILENCER HOUSING .
Refer to REMOVING TANK VENT VALVE .
Refer to REMOVING THE FRONT UNDERBODY PROTECTION .
Refer to REMOVING THE STIFFENING PLATE .
Refer to DRAINING THE COOLANT FROM THE LOW-TEMPERATURE COOLING SYSTEM .
Refer to CONNECTING THE COOLANT LINE OF LOW-TEMPERATURE COOLANT CIRCUIT .
Refer to REMOVING LOW-TEMPERATURE COOLANT EXPANSION TANK .

NOTE: RISK OF DAMAGE
Damage to wires when disconnecting connectors and plug connections .
Sheared wires can cause a short circuit .

Do not pull on wires when disconnecting connectors and plug connections.

NOTE: TECHNICAL INFORMATION
Additional coolant can leakage. Make sure that no coolant enters the intake port of the cylinder head.

NOTE: TECHNICAL INFORMATION
Collect and dispose of emerging fluids. Observe country-specific waste disposal regulations.

Loosen screw (1).
Guide tank ventilation line (2) out of clamp (3) and remove it.

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Unlock and loosen connector (1).
Unlock the locks (2).
Guide tank ventilation line (3) out of clamp (4) and remove it.

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Unlock the locks (1).
Feed the tank ventilation line (2) out and set it aside.

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Unlock the locks (1).
Guide out the wiring harness section (2) for the sensor system 2 and set it aside.

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Loosen screws (1).
Feed out charge air line (2) and place to one side.

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Unlock and loosen connector (1).
Loosen clamp (2).
Thread off coolant line (3) and place to the side.
Loosen screw (4).

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Unlock and loosen connector (1).

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Unlock the locks (arrows).
Feed out the wiring harness section (1) for the injectors and ignition coils and put to one side.

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Guide tank ventilation line (1) out of clamp (2) and place it aside.

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Feed out the wiring harness section (1) for the injectors and ignition coils from the cylinder head cover (2) and put to one side.

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Loosen screw (1).

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Unlock and loosen coolant line (1).
Catch and dispose of escaping coolant.

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Unlock and loosen coolant line (1).
Catch and dispose of escaping coolant.

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Unlock and loosen coolant line (1).
Catch and dispose of escaping coolant.

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Loosen screws in the order (7) to (1).
Slightly lift the intake plenum (A) in the arrow direction.

Fig 1: Intake Plenum Screws Loosening Sequence
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Unlock and release the wiring harness section (1) for the sensor system 1 below the intake plenum (2).
Guide out the intake plenum (2) and remove it.