LEMON Manuals: Even more car manuals for everyone
Home >> BMW >> 2021 >> 840i 2D Convertible >> Repair and Diagnosis >> External Pages >> Different car >> Section 200 (Intake Plenum -- Repair (G02)) >> 11 61 Intake Plenum >> 11 61 050 Removing and installing intake plenum (X4 M40i 2022-) >> Removing the intake plenum

Removing the intake plenum

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2025 BMW X4, 2024 BMW X4, 2023 BMW X4, 2022 BMW X4, and 2021 BMW X4. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: RISK OF DAMAGE 
Coolant leaking from the starter motor generator. 
Damage and loss of function of the starter motor generator. 
  • Cover the starter motor generator with suitable, watertight auxiliary materials.
  • Close off line connections with seal plugs.
  • If necessary: Rinse off the coolant leaking from starter motor generator with at least 1 l of water.
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 

NOTE: RISK OF DAMAGE 
Coolant leaking from the starter motor generator. 
Damage and loss of function of the starter motor generator. 
  • Cover the starter motor generator with suitable, watertight auxiliary materials.
  • Close off line connections with seal plugs.
  • If necessary: Rinse off the coolant leaking from starter motor generator with at least 1 l of water.
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.
G14229847Courtesy of BMW OF NORTH AMERICA, INC.
G14230107Courtesy of BMW OF NORTH AMERICA, INC.
G14230110Courtesy of BMW OF NORTH AMERICA, INC.
G14230113Courtesy of BMW OF NORTH AMERICA, INC.
G14230116Courtesy of BMW OF NORTH AMERICA, INC.
G14230119Courtesy of BMW OF NORTH AMERICA, INC.
Fig 1: Intake Plenum Screws Loosening Sequence
G14230120Courtesy of BMW OF NORTH AMERICA, INC.
NOTE: RISK OF DAMAGE 
Coolant leaking from the starter motor generator. 
Damage and loss of function of the starter motor generator. 
  • Cover the starter motor generator with suitable, watertight auxiliary materials.
  • Close off line connections with seal plugs.
  • If necessary: Rinse off the coolant leaking from starter motor generator with at least 1 l of water.
G14230121Courtesy of BMW OF NORTH AMERICA, INC.
NOTE: TECHNICAL INFORMATION 
Conduct the following operation with the assistance of a second person.
G14230122Courtesy of BMW OF NORTH AMERICA, INC.
G14230123Courtesy of BMW OF NORTH AMERICA, INC.
NOTE: TECHNICAL INFORMATION 
The tension rod screws and mounting bolts from the connecting neck on the intake plenum are not  allowed to be opened.
G14230124Courtesy of BMW OF NORTH AMERICA, INC.