Installing the ignition coils of cylinders 1 to 4
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.
NOTE:
The description is for one component only. The procedure is identical for all further components.
Install ignition coil
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.
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.).
NOTE:
RISK OF DAMAGE
Damage to the catalytic converter due to misfiring.
An incorrectly mounted ignition coil can loosen during engine operation, thereby causing misfiring.
Damage to the catalytic converter due to misfiring.
An incorrectly mounted ignition coil can loosen during engine operation, thereby causing misfiring.
- Ensure that the sealing lip fits correctly on the ignition coil so that it can seal correctly. Do not crush the sealing lip.
- Position the ignition coil and gently push it to the stop, if necessary by twisting it back and forth slightly.
- Check anti-twist lock.
- Check, whether the rubber seal of the ignition coil completely encloses the opening for the spark plug on the cylinder head cover.
- Push connector (1) onto the ignition coil with the connector fastener (2) open.
- Carefully close the connector fastener (2) in the direction of the arrow.
The connector fastener must snap into place at the correct position without great effort.