Procedure in event of stuck injectors

Mount special tool 13 0 301 or 13 0 302 (from set of special tools 13 0 300 ) on the stuck injector. In so doing, attach the special tool at the bottom to the injector and secure at the top with the knurled screw to the injector feed.

Fig 1: Mounting Special Tool (13 0 301) On Stuck Injector

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Mount special tool 13 0 300 over the stuck injector with special tool 13 0 301 or 13 0 302. In so doing, insert screws (1) in the designated holes and screw down.

Tightening torque 13 53 10AZ.

Fig 2: Mounting Special Tool (13 0 300) Over Stuck Injector

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Twist bolt (1) through special tool 13 0 300 into special tool 13 0 301 or 13 0 302 on the stuck injector. Tighten down bolt (1) until the injector is pulled out.

Fig 3: Identifying Stuck Injector Bolt

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After removing, fit protective caps (1 and 3) to injector tip and fuel line connection.

Protective caps are available from BMW Parts Service.

Fig 4: Identifying Fit Protective Caps And Uncoupling Element

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Installation note: 

When installing a new injector:

• Use a new uncoupling element (2).
• Remove protective cap (1) from injector tip max. 10 min. before installation (Teflon ring swells up)

Fig 5: Identifying Fit Protective Caps And Uncoupling Element

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Installation note: 

When reusing fuel injector:

• Replace decoupling element (2).
• Replace Teflon ring (1).

A Teflon ring which has been heated once by engine operation must be replaced before the injector is reinstalled.

Fig 6: Identifying Teflon Ring And Uncoupling Element

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