Remove high pressure pump

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.

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
Collect and dispose of emerging fluids. Observe country-specific waste disposal regulations.

Preliminary work:

Remove right luggage compartment trim panel. Refer to REMOVING RIGHT LUGGAGE COMPARTMENT WHEEL ARCH PANEL (4' SERIES COUPE/CONVERTIBLE) or REMOVING RIGHT LUGGAGE COMPARTMENT WHEEL ARCH PANEL (4' SERIES GRAN COUPE SEDAN) .
Refer to DISCONNECTING THE BATTERY EARTH LEAD .
Refer to REMOVING INTAKE SILENCER HOUSING .
Refer to REMOVING CLEAN AIR PIPE .
Refer to REMOVING FAN COWL .
Refer to REMOVING THE ACOUSTIC COVER .
Refer to REMOVING THE COVER IN THE LEFT ENGINE COMPARTMENT .
Refer to REMOVING THE RIGHT COVER IN THE ENGINE COMPARTMENT .
Refer to REMOVING THE SOUND INSULATION ON THE BULKHEAD UPPER PART AT THE CENTER .
Refer to REMOVING TRAILING LINK AT SPRING STRUT DOME .
Refer to REMOVING ACOUSTIC COVER AT REAR
Refer to REMOVING IGNITION COILS
Refer to REMOVING THE HIGH PRESSURE LINE BETWEEN THE RAIL AND THE HIGH PRESSURE PUMP
Refer to REMOVING FUEL DELIVERY LINE

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.

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.).

Unlock and loosen connector (1) .
Unscrew the bolts (see arrows in illustration) in alternating order.
Feed out high pressure pump (2) and remove.

Motor oil may leak when detaching the high pressure pump (2) , have a cleaning cloth ready.

Courtesy of BMW OF NORTH AMERICA, INC.