Removing fuel delivery line

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WARNING: Working on 12V 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.

Preliminary work

Refer to DEACTIVATING THE 48 V ELECTRICAL SYSTEM .
Refer to DEACTIVATING ELECTRICAL SYSTEM .
Refer to REMOVING THE SEAL FOR THE HOOD REAR .
Refer to REMOVING THE COVER OF THE ENGINE COMPARTMENT AT THE REAR LEFT .
Refer to REMOVING THE COVER OF THE REAR RIGHT ENGINE COMPARTMENT .
Refer to REMOVING LEFT AND RIGHT WIPER ARM .
Refer to REMOVING THE COWL COVER .
Refer to REMOVING THE FIREWALL UPPER PART .
Refer to REMOVING THE ACOUSTIC COVER .
Refer to REMOVING ACOUSTIC COVER AT REAR .
Refer to REMOVING ALL IGNITION COILS .

WARNING: Working on fuel system.
Risk of fire! Danger of explosion!

When working on the fuel system, make sure the workstation has sufficient ventilation, e.g., by means of extraction.
Tightly seal off open lines and connections; collect any leakage fuel directly at the point of exit.
No fire, sparks, open flames or smoking.

CAUTION: On releasing high pressure line, fuel may emerge at high speed.
Injury hazard!

Wear suitable personal protective equipment.
Before performing any installation work, allow cooling system to cool down to less than 40°C.
Note warnings on cylinder head cover.

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.).

NOTE: RISK OF DAMAGE
Contaminant or foreign body.
Contamination can result in malfunctions, loss of function or leaks.

Adhere to the utmost cleanliness.
Protect components from contamination e.g. by covering.
Close off line connections with seal plugs.

NOTE: TECHNICAL INFORMATION
Reset special tool in early to avoid bending pressure lines.

Loosen clamp (1).
Feed out the wiring harness section (2) for injectors and ignition coils and set aside.

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Unlock the locks (arrows).
Feed out the wiring harness section (1) for injectors and ignition coils and set aside.

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Unlock and loosen lock (1).
Feed out the tank vent line (2) from the clamp (3) and set aside.

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Unlock and loosen clamp (1).
Unlock and remove the snap fastener (2) in the direction of the arrow.
Catch and dispose of leakage fuel.
Seal the fuel lines with special tools 0 496 567 (13 5 161) and 0 496 568 (13 5 162) from the set of special tools 0 496 565 (13 5 160).
Loosen screw (3).

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Slacken the union nut (1) on the high pressure pump.
Catch and dispose of leakage fuel.
Close all openings with the special tool 2 413 106.
Guide the fuel supply line (3) out and remove.
Make sure the rubber damper (2) does not get lost.

Courtesy of BMW OF NORTH AMERICA, INC.