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Home >> BMW >> 2021 >> X3 M Base >> Repair and Diagnosis >> Engine Mechanical >> Blowers, Superchargers & Turbochargers >> Engine -- Repair -- X3 M (F97) (3 Of 3) >> 11 61 Intake System >> 11 61 050 Removing and installing intake plenum (X3 M) >> Removing the intake plenum

Removing the intake plenum

WARNING: Working on 12 V electrical system  .
Risk of short circuits! Risk of fire! 
  • Make sure that there is no charger  connected to the jump start terminal in the engine compartment.
  • Detach battery ground lead from battery.
  • For auxiliary batteries: Detach battery minus cables from all auxiliary batteries.
NOTE: RISK OF DAMAGE 
Damage to battery terminal, the safety battery terminal or the intelligent battery sensor (IBS)  .
Damaged battery terminals can lead to malfunctions or vehicle electrical system faults  .
  • Detach battery terminal from battery pole by carefully shifting to and fro. Do not pry off using a tool.
NOTE: TECHNICAL INFORMATION 
Collect and dispose of emerging fluids. Observe country-specific waste disposal regulations.

Preliminary work 

Screws of the intake plenum 

Fig 1: Intake Plenum Screws Loosening Sequence
G14926910Courtesy of BMW OF NORTH AMERICA, INC.
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 
Collect and dispose of emerging fluids. Observe country-specific waste disposal regulations.
NOTE: TECHNICAL INFORMATION 
Additional coolant can leakage. Make sure that no coolant enters the intake port of the cylinder head.