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Home >> BMW >> 2021 >> 740i >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine - Repair (G12) >> 11 00 Engine >> 11 00 091 Installing engine exchange (750i xDrive 2016-2022) >> Removing all ignition coils

Removing all ignition coils

Removing ignition coil of cylinder bank 1 

Precondition 

Ignition is switched off.

NOTE: RISK OF DAMAGE 
Damage to the ignition coil. 
The silicone hose of the ignition coil must not be contaminated by fuel as this can lead to failure of the ignition coil. 
  • When working on the fuel system, cover the ignition coils with suitable materials and remove where required.
  • Do not oil or grease the silicone tube of the spark plug socket. Do not  use any protection or maintenance products (e.g. silicone spray, rubber care products, rust remover, etc.).

Pulling out the ignition coil with jerks may cause silicone hose to tear.

G14262057Courtesy of BMW OF NORTH AMERICA, INC.

Removing ignition coil of cylinder bank 2 

Precondition 

Ignition is switched off.

NOTE: RISK OF DAMAGE 
Damage to the ignition coil. 
The silicone hose of the ignition coil must not be contaminated by fuel as this can lead to failure of the ignition coil. 
  • When working on the fuel system, cover the ignition coils with suitable materials and remove where required.
  • Do not oil or grease the silicone tube of the spark plug socket. Do not  use any protection or maintenance products (e.g. silicone spray, rubber care products, rust remover, etc.).

Pulling out the ignition coil with jerks may cause silicone hose to tear.

G14262069Courtesy of BMW OF NORTH AMERICA, INC.