Today we will try to help you solve a problem that can be irritating, and if not managed in time become a financial drain. Obviously, finding a leak on your vehicle is hardly ever reassuring, and it is even less calming when it’s a gearbox leak on your BMW X4 . Today, we’re going to help you verify that it’s in fact a gearbox leak, then, how to repair a gearbox or transmission leak, then, give you some prevention suggestions, and, at last, give you an idea of the price of the gearbox of a BMW X4.

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Gearbox leak on BMW X4, source and symptom

If you have noticed an oil stain on the ground, you will need to verify that this leak is in fact caused by the gearbox of your BMW X4. To do this, you will need to go under your car and follow the oil leak. If it is transmission oil, it must be caused by your gearbox sump or an adjacent room. Once validated, here are the possible roots of this transmission leak:

  • A gearbox cap: If it’s improperly screwed on…
  • Defective torque converter: Only equipped on automatic gearboxes.
  • From the transmission oil sump: In the event that it is cracked or broken
  • One of your seals broken

How to fix a gearbox leak on BMW X4?

After discovering the different roots of a gearbox or transmission oil leak on your BMW X4, we will try to explain to you what are your options to repair this oil leak. Be aware that whatever the case, after having distinguished a leak, you must go to a mechanic to identify the exact source of the leak, otherwise your gearbox might be irreparably broken. However, here is how the service of the mechanic and the solutions that will be offered to you:

  • Very often to identify the leak, the auto technician will have to dismantle your gearbox, which will require a high labour cost.
  • If you’re lucky and it’s just a gasket, your auto technician will change it and reassemble the gearbox of your BMW X4, otherwise you’ll have to change the complete gearbox
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  • At last, for the do-it-yourselfers, it is possible to use a sealing kit which is only effective in the case of small leaks, this kit is worth around 40 euros

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Prevention: How to avoid gearbox leaks on your BMW X4?

There aren’t many solutions to avoid gearbox leaks on your BMW X4 , however here are the three most effective:

  • Regular oil changes on your gearbox deck.
  • Drain your gearbox and put new oil in it. If you want to know everything about this manipulation, please browse our article on this subject matter.
  • Use a particular additive for maintenance of gearbox seals, these additives will restore flexibility and allow to plug slight leaks, you will find some for a few dozen euros at Oscaro.

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Price of a BMW X4 gearbox

At last, we would like to give you an idea of how much it costs to change the gearbox of a BMW X4. As you have understood, gearbox problems often lead to a complete change of this part. It is hard to give you a precise price because depending on the mechanic the labour can vary quite a lot and depending on your engine the part will as well have a different price, however, we estimate that the repair, labour included will cost you between 800 and 2000 euros , knowing that the part alone costs between 400 and 1000 euros.

To get more tips on the BMW X4, take a look at the BMW X4 category.