In this article we will try to help you resolve a problem that can be frustrating, and if not taken on time become a financial drain. In reality, spotting a leak on your car is hardly ever reassuring, and it is even less calming when it’s a gearbox leak on your Bmw Serie 3 . Today, we’re going to help you ensure that it’s in actual fact a gearbox leak, then, how to remedy a gearbox or transmission leak, then, give you some prevention suggestions, and, finally, give you an idea of the price of the gearbox of a Bmw Serie 3.
Gearbox leak on Bmw Serie 3, source and symptom
If you have detected an oil stain on the ground, you will need to ensure that this leak is in actual fact originating from the gearbox of your Bmw Serie 3. To achieve this, you will need to go under your car and follow the oil leak. If it is transmission oil, it must be originating from your gearbox sump or an adjacent room. Once established, here are the possible origins of this transmission leak:
- A gearbox cap: If it’s wrongly screwed on…
- Defective torque converter: Just equipped on automatic gearboxes.
- From the transmission oil sump: In the event it is cracked or broken
- One of your seals broken
How to fix a gearbox leak on Bmw Serie 3?
After discovering the different origins of a gearbox or transmission oil leak on your Bmw Serie 3, we will try to show you to you what are your options to remedy this oil leak. Remember that whatever the case, after having founded a leak, you must go to a mechanic to determine the exact source of the leak, otherwise your gearbox may be irreparably broken. However, here is how the service of the mechanic and the solutions that will be offered to you:
- Very often to determine the leak, the auto mechanic will have to take apart your gearbox, which will require a high labour cost.
- If you’re lucky and it’s just a gasket, your auto mechanic will replace it and reassemble the gearbox of your Bmw Serie 3, otherwise you’ll have to change the whole gearbox
- 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 Serie 3?
There aren’t many alternatives to avoid gearbox leaks on your Bmw Serie 3 , 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 task, please browse our content page 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 locate some for a few dozen euros at Oscaro.
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Price of a Bmw Serie 3 gearbox
At last, we would like to give you an idea of how much it costs to change the gearbox of a Bmw Serie 3. As you have realized, gearbox problems often lead to a whole change of this part. It is difficult to give you a precise price because based on the mechanic the labour can vary a lot and based on your engine the component 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 component alone costs between 400 and 1000 euros.
If perhaps you have any further questions about the Bmw Serie 3, do not hesitate to consult our Bmw Serie 3 category.
