13 53 240 Replacing complete injection pipe (S62)

Interrogate fault memory of DME control unit. Switch off ignition.

Remove intake air manifold. Refer to 11 61 050 REMOVING AND INSTALLING INTAKE AIR MANIFOLD (S62) .

Disconnect plug connections (1).

Unclip cable (2) from cable guides.

Fig 1: Disconnecting Plug Connections

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Disconnect plug connections (1).

Unclip cable (2) from cable guide.

Fig 2: Unclipping Cable From Cable Guide

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Disconnect plug connection for throttle actuator (1), idle speed control valve (2) and electric changeover valve (3).

Fig 3: Disconnecting Plug Connection For Throttle Actuator

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Disconnect plug connection (1) for left knock sensor pair. Unhook both cable ducts (1) from mounts and raise approx. 2 cm.

Fig 4: Disconnecting Plug Connection For Left Knock Sensor Pair

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Unhook both cable ducts (1) from mounts and raise approx. 2 cm.

Fig 5: Unhooking Cable Ducts

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Installation: 

Check seating of rubber grommets on ignition coil cables.

Unclip both cable strips (2), tilt up and tie back (e.g. to engine hood).

Release hose clamp (1) and detach hose. Detach vacuum hose (2).

Fig 6: Releasing Hose Clamp And Detaching Hose

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Release screws (1).

Fig 7: Locating Screws

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Unclip injection pipe with fuel injectors upwards.

Installation: 

Check O-rings of fuel injectors for damage, replace if necessary.

Coat O-rings with anti-friction rubber coating (e.g. petroleum jelly).

Follow instructions for unlocking fuel line. Refer to 13 53 540 Replacing, sealing fuel hoses  .

Unlock fuel line (1).

Fig 8: Unlocking Fuel Line

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Release screw.

Disconnect complete injection pipe.