Today we will try to help you solve a issue that can be frustrating, and if not managed in time become a financial drain. In truth, distinguishing a leak on your car is hardly ever reassuring, and it is even less calming when it’s a gearbox leak on your BMW i3 . In this article, we’re going to help you verify that it’s obviously 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 i3.
Gearbox leak on BMW i3, source and symptom
If you have spotted an oil stain on the ground, you will need to validate that this leak is obviously coming from the gearbox of your BMW i3. To get this done, you will need to go under your vehicle and follow the oil leak. If it is transmission oil, it must be coming from your gearbox sump or an adjacent room. Once confirmed, here are the possible origins of this transmission leak:
- A gearbox cap: If it’s wrongly screwed on…
- Defective torque converter: Only equipped on automatic gearboxes.
- From the transmission oil sump: In the event it is cracked or damaged
- One of your seals damaged
How to fix a gearbox leak on BMW i3?
After discovering the different origins of a gearbox or transmission oil leak on your BMW i3, we will try to describe to you what are your options to remedy this oil leak. Realize that whatever the case, after having identified a leak, you must go to a mechanic to identify the exact source of the leak, otherwise your gearbox might be irreparably damaged. Nevertheless, 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 replace it and reassemble the gearbox of your BMW i3, otherwise you’ll have to change the complete 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 i3?
There aren’t many alternatives to avoid gearbox leaks on your BMW i3 , nevertheless 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 examine our article on this subject matter.
- Use a particular additive for routine service of gearbox seals, these additives will restore flexibility and enable to plug moderate leaks, you will find some for a few dozen euros at Oscaro.
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Price of a BMW i3 gearbox
At last, we would like to give you an idea of how much it costs to change the gearbox of a BMW i3. As you have realized, gearbox problems generally lead to a complete 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 also have a different price, nevertheless, 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.
In the event that you have any additional questions about the BMW i3, do not hesitate to consult our BMW i3 category.
