In the event that you are alert of irregular symptoms on your vehicle, you are right to be worried, because a car represents a huge annual budget and sudden malfunctions don’t lower the costs. So what if you find that you have a leaking injector on your Bmw Serie 2 F22? You probably figured it out thanks to black/oily drips along your engine unit, or a disturbed idle, or strange black smoke. These three symptoms are the main symptoms of a leaking injector. As this troubles can cause more critical engine trouble on your car, we thought we would publish this content page to help you validate the failure of a leaking injector and handle it correctly. To do this, we will first of all look at the circumstance of gasoline injectors and then at those of diesel injectors Bmw Serie 2 F22.

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Leaking injector on my petrol Bmw Serie 2 F22

It is essential to know that the injectors on petrol and diesel engines are distinct, the reality is, the difference in combustion between these two sort of engines makes the injection distinct. The biggest difference lies in the pressure experienced by the injectors, on a petrol engine it will vary between 3.5 bars for indirect injection and 120 bars for indirect injection.

Leaking injector on a petrol Bmw Serie 2 F22: The different leaks

It should be noted that injector leaks on a Bmw Serie 2 F22 equipped with a petrol engine are pretty rare. This is resulting from the much lower pressure in the petrol intake systems. However, there are two sort of leaks:

  • Leakage from the top of the injector:
    It is possible that you have a leak from the top of the injector, this is the portion that is attached to the fuel rail, an O-ring will be involved in this.
  • Leak injector of the lower part:
    At last, you may suffer a leak coming from the lower portion of the injector of your car, this one will appear from the junction with the engine and not with the rail as seen sooner.

Leaking injector on my diesel Bmw Serie 2 F22

Unlike petrol engines, which have spark combustion, diesel engines run on compression. This combustion system produces very high pressure in the engine, as do the injectors. On these models, the pressure is more than 10 times higher than on the direct injection of car petrol engines, reaching 1800 to 2000 bars.

Leaking injector on diesel Bmw Serie 2 F22: The different leaks

In the circumstance of leaking diesel injectors on your Bmw Serie 2 F22, there are three several sort of leaks:

  • Leakage from the injector inlet:
    In cases like this, it is an inlet pipe that will deform in the long run, generally the leak will be at the clamping point.
  • Injector return leakage:
    As its name implies, this leakage concerns the management of the fuel return in the injector, this time the injector that leaks on your Bmw Serie 2 F22 will be the result of an O-ring or its plastic tip that leaks.
  • Injector base leak:
    This injection leak is one of the most troublesome, it is the junction between the engine and the injector nose that leaks at a copper seal, you should experience an air noise and a compression loss.
  • If after verifying you have oil leaking but it does not come from your injectors, we advise you to browse this content page on the presence of oil leaking on your Bmw Serie 2 F22.

Leaking injector on my Bmw Serie 2 F22, how to fix the leak

And finally, we’re going to look at how to fix a leaking injector on your car. Very often a leak is associated, as we have seen prior to this, to a worn seal because of the pressures suffered. But think that the pressure in the circuit is monumental, specifically on diesel engines. So you will have to take some safety measures:

  • Lower the pressure before any work is completed…
  • Masking you to avoid the risk of fuel spillage
  • NEVER work on a running diesel engine injector.

Concerning the repair part of your leak, it will oftentimes be limited to replacing the seals that have failed:

  • Discover the source of the leak
  • Take apart the injector in question
  • Replace the corresponding seal kit
  • Reassemble the set up and tighten with a torque wrench in accordance with the manufacturer’s standards.

In all situations, these interventions are not specifically complicated, but if you have the smallest doubt in the treatment of your injector that leaks on your Bmw Serie 2 F22, we advise you to get closer to your repair shop to avoid any bad manipulation that could seriously harm the condition of your Bmw Serie 2 F22.

To discover more tips on the Bmw Serie 2 F22, take a look at the Bmw Serie 2 F22 category.