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Home >> BMW >> 2011 >> X5 35i >> Repair and Diagnosis >> Engine Performance >> Fuel Delivery >> Fuel System - Repair >> Injection Nozzle And Lines >> 13 53 310 Removing and installing/replacing an injector (N55)

13 53 310 Removing and installing/replacing an injector (N55)

Observe WARNINGS ON REMOVAL OF THE INJECTORS  without fail!

IMPORTANT: There are two different injector versions and hold-down device versions for the N55 engine.
A mixed installation of the components (hold-down device, spark plug shafts, injectors, cylinder heads and screws) between the two hold-down device versions is not possible/permitted! 
Removal and installation of the various injectors are described separately according to the hold-down device version. 
The hold-down device version must be identified beforehand in order to select the correct repair instructions.
Remove ACOUSTIC COVER

The bottom hold-down device version can be found on the electromagnetic compatibility panel (1) installed above the injectors.

REMOVING AND INSTALLING INJECTOR  up to engine number 02167648  .

Fig 1: Identifying Bottom Hold-Down Device On Electromagnetic Compatibility Panel
G09846870Courtesy of BMW OF NORTH AMERICA, INC.

The top hold-down device version can be found on the hold-down device installed on top (1).

REMOVING AND INSTALLING INJECTOR  from engine number 02167649  .

Fig 2: Identifying Top Hold-Down Device
G09846871Courtesy of BMW OF NORTH AMERICA, INC.