Generally, the distributor O-rings are installed in your vehicle for producing power to the engine. Moreover, it is mounted in the engine through the intake manifold or the engine block for preventing external oil leakage and preventing the oil from entering the distributor housing. When the distributor O-ring of the BMW X5 is failed, you will notice the signs defined in the following slide.

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2. The distributor O-ring
is an important
component of the ignition
system in your BMW X5.

3. Moreover, they are using
a rotating shaft for
distributing the spark to
the engine’s cylinders.

4. Subsequently, it can seal
the distributor housing
with the engine for
preventing oil leaks from
the distributor.

5. Due to the following
reasons the distributor
O-rings is failed in your
BMW X5:
• Wrong distributor O-ring size
• Improper installation of distributor
O-ring
• Wrong design of gland that allows
either too much or too little
compression
• Distributor O-ring elastomer is
incompatible with the environment
• Inadequate lubrication of the O-ring

6. When the distributor O-
ring of the BMW X5 is
failed, you will notice the
following signs.

8. If you will notice oil
leaks in the car, then
don’t forget to check out
the failed distributor O-
ring.

9. When the distributor O-
ring of the car is failed,
it is unable to seal the
distributor properly
within the engine.

10. Neglecting the issues for
longer will cause oil leaks
from the distributor base
and onto the engine.

12. Thus, the misfired engine
is a common sign of
failed distributor O-ring
in your car.

13. For other reasons also
you will notice misfiring
in the engine cylinder
such as:
• Worn valves
• Dirty spark plugs
• An improper mixture of fuel/air

14. If you will notice oil
leaks from the
distributor O-ring then
have your vehicle
inspected by a mechanic
to prevent engine
misfiring.

16. Moreover, the most
common sign of failed
distributor O-ring in your
car is reduced engine
performance.

17. However, the
malfunctioned distributor
O-ring in your BMW will
cause oil leaks onto
certain engine parts.

18. As a result, they will
deteriorate and cause a
wide range of problems in
the car such as:
• Short circuits in wires
• Vacuum leaks
• Decreased fuel mileage
• Poor acceleration
• Reduced engine power

20. In general, the
distributor O-ring is
mostly found in vehicles
equipped with a
distributor.

21. If the distributor O-ring
of your BMW X5 is
failed, then consult a
mechanic to inspect the
distributor and fix it
accordingly.

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