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Home >> BMW >> 2018 >> M4 2D Convertible, Automatic DCT Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 59 (Fuel System - Repair Instructions) >> injection nozzle and Injector >> 13 64 501 Removing and installing/replacing a fuel injector (S54) >> Special tools required:

Special tools required:

WARNING: This page is about a different car, the 2002 BMW M Roadster, 2002 BMW M Coupe, 2001 BMW M Roadster, and 2001 BMW M Coupe. However, it is still accessible from the selected car via links, so may be relevant.

Remove heater bulkhead.

Release screw.

Remove cable (1) from holder.

Fig 1: Removing Cable From Holder
G03198691Courtesy of BMW OF NORTH AMERICA, INC.

Detach wiring harness (1) for fuel injector rail from holder (2).

Fig 2: Detaching Wiring Harness For Fuel Injector Rail
G03198692Courtesy of BMW OF NORTH AMERICA, INC.
CAUTION: The connector strip (1) may break if it is removed without special tool 12 1 120
Fig 3: Removing Connector Strip
G03198693Courtesy of BMW OF NORTH AMERICA, INC.

Unlock connector strip with special tool 12 1 120 in sequence 1 to 6.

Lay connector strip to one side.

Fig 4: Unlocking Sequence Of Connector Strip
G03198694Courtesy of BMW OF NORTH AMERICA, INC.

Detach retainer (1). Pull fuel line out of fuel injector rail.

Fig 5: Pulling Fuel Line Out Of Fuel Injector Rail
G03198695Courtesy of BMW OF NORTH AMERICA, INC.

Recycling: 

Catch and dispose of escaping fuel.

Release screw connection of fuel injector rail and air pipe on left and right.

Fig 6: Removing Fuel Injector Rail
G03198696Courtesy of BMW OF NORTH AMERICA, INC.

Pull out fuel injector rail towards top.

Recycling: 

Catch and dispose of escaping fuel.

Lever out retainers (1) and remove fuel injectors (2) from injection pipe.

Fig 7: Removing Fuel Injectors From Injection Pipe
G03198697Courtesy of BMW OF NORTH AMERICA, INC.

Installation: 

Check O-rings, replace if necessary.

When fitting, coat all O-rings with lubricant SAE 90.

Fig 8: Locating O-Rings
G03198698Courtesy of BMW OF NORTH AMERICA, INC.