Learning to drive a car is not always easy, and sometimes it may seem like a good solution to select an automatic Bmw Serie 3 E90, if it’s for basic comfort or ease of use, this sort of transmission is becoming more and more prevailing. Nevertheless, while they might seem like the best solution, there may possibly also be complications with the automatic gearboxes of your Bmw Serie 3 E90 . This is exactly the subject of our article. First, we’ll quickly describe the different types of automatic gearboxes, then, in a second step, which complications you may possibly encounter with the gearbox of your Bmw Serie 3 E90 , and, finally, how to resolve them.

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The different kind of automatic gearbox of a Bmw Serie 3 E90

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Gearboxes have the benefit of being known to be reliable, as you don’t need to use your clutch pedal and everything is electronically and mechanically handled there will be no early wear of your clutch or other elements that could be put to the test by misuse on your component.
Nevertheless, depending on the sort of automatic transmission your Bmw Serie 3 E90 is equipped with you will have more or less reliability, we will present them to you now:

  • Common automatic gearbox: It will use a torque converter, which will manage the gear changes, it’s the oldest technology, it has evolved quite a lot in the last decades (more gears and a better management of the gear changes).
  • Robotized automatic gearbox: This is a manual gearbox with a robotized system that will change the driver’s action. This sort of gearbox is less and less basic because they are viewed as very slow. We also often feel a coupling during deceleration.
  • Dual-clutch automatic transmission: This is the best automatic transmission, it functions on similar principle as the robotic transmission, but thanks to its dual clutch, you won’t have any more complications with slow speeds or elevated fuel consumption. They are often fitted on luxury models.
  • Continuously variable automatic box: It is similar principle as on a scooter, a variator will come to control the differences between acceleration and motor speed, they are really slow and often be unresponsive during the acceleration phases of your Bmw Serie 3 E90.

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I’m having complications with the automatic transmission on my Bmw Serie 3 E90

We now start the component that surely attracts you the most in this article, what are the complications you may face with the automatic transmission of your Bmw Serie 3 E90? As mentioned above, generally speaking they are more reliable than manual transmissions, however, here are the main complications you may encounter:

  • As revealed over, no matter what sort of automatic gearbox, they are often known to be slow and have inertia when accelerating. Nevertheless, this phenomenon is designed to occur just when the vehicle is started, not when it is launched. If it feels like it comes about constantly, the clutch or converter is probably dead.
  • I have the feeling that a gear in the automatic transmission of my Bmw Serie 3 E90 no longer shifts or jumps: If you have the feeling that your gears no longer shift or often jump on your Bmw Serie 3 E90, there is a component that is undoubtedly to blame for this failure. In actual fact, the solenoid that acts as a “switch” to engage the gears must not be functioning effectively, second option, a speed or engine speed sensor may be faulty and send the wrong information to your gearbox.
  • If you experience drops originating from the automatic gearbox of your Bmw Serie 3 E90: If you experience a clutch when you go up or when you slow down, it is either your oil which is too old and which does not lubricate any more adequately all the mechanisms of your gearbox, or else a sensor which gives bad information

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  • My Bmw Serie 3 E90’s automatic transmission is leaking: Finally, if your Bmw Serie 3 E90’s automatic transmission is leaking, it’s most probably one of your spy seals is too worn.

How do I fix automatic transmission complications on a Bmw Serie 3 E90?

And finally, we’re going to try to give you the techniques to resolve the automatic transmission complications on your Bmw Serie 3 E90 . Find them down below:

  • Oil leak on the automatic gearbox of a Bmw Serie 3 E90: Discover the source of the leak, and change the concerned gasket, get it conducted by a specialist, opening a gearbox is not easy. It will cost you a few hundred euros, specifically for the labour. Do not hesitate to read our article on gearbox oil leaks on Bmw Serie 3 E90.
  • Sensor issue: No matter which sensor is concerned, a replacement is the just remedy, sensors do not repair themselves, you should count from 100 to a few hundred euros dependent on the difficulty of access to the one that worries you.
  • Couplings: If you have complications with the couplings on your Bmw Serie 3 E90, you will only need to do a whole gearbox replace to gain comfort and preserve your gears.
  • The automatic gearbox of my Bmw Serie 3 E90 slips: In such a case, you clearly have a dead clutch disc, you will have to replace the clutch, and on some models you won’t be able to replace it without doing a standard exchange of the gearbox, be prepared to spend more than a thousand euros.

There are other automatic transmission complications on Bmw Serie 3 E90, such as electronic problems or pressure complications, but this list lists the main ones, no matter the reason, for such complex mechanisms. When you feel a problem on this level, we suggest you to go fairly quickly to your mechanic.

If you wish more tutorials on the Bmw Serie 3 E90, go to our Bmw Serie 3 E90 category.