Some routine service actions such as changing the engine unit oil may seem evident and essential, while others such as changing the gearbox oil from its BMW 2 Series may appear to be less automatic. Nevertheless, make no mistake, changing the gearbox is just as essential as changing the engine unit oil. This content page will describe the role of the gearbox oil, then, why it is vital to change the gearbox of your BMW 2 Series, and at last, how to change the gearbox oil of a BMW 2 Series .
Role of gearbox oil on a BMW 2 Series
So we start our content page with the role of gearbox oil on a BMW 2 Series. The objective of this short introduction is to make you understand the benefit of this fluid which ensures the good functioning of your car. The gearbox of your car has the objective to demultiply the power transferred by the engine unit and send it back to your wheels . It is done up of pinions and gears that will allow the wheels to rotate at different speeds depending on the curves and the gear engaged. It will operate with the help of an axle and a differential. All these auto parts will need to be firmly lubricate to action properly, limit friction and tolerate the high temperatures built by the engine unit and friction. Your transmission oil has a high viscosity and will prevent the formation of filings or gear breakage, so it is important to the proper working of the gearbox.
Why replacing the gearbox oil from a BMW 2 Series?
Now we’ll see what’s the point of draining the gearbox oil of your BMW 2 Series?
Benefit of gearbox oil changing BMW 2 Series
There are several interests to change the gearbox of your car frequently, we will list them and outline them below:
- After a while, the oil will lose its viscosity due to friction and temperature rise, which will result in less lubrication of the gears and pinions and therefore risk to break some of them.
- Same as viscosity, time and temperature rise will lower the oil resistance to the engine unit temperature, So it will fluidize much more easily when the engine heats up, which is not good for your gearbox.
- Accumulation of metallic residues: Finally, even if you constantly have a quality oil, a gearbox is an element that wears out and produces iron filings with friction, the oil will pick them up and if it gathers up too much these residues can get into gears and break them.
When to do the gearbox oil change on a BMW 2 Series?
Whether you want to do an automatic or manual gearbox oil change on BMW 2 Series or strong> the procedure is not the same, however, dealers do not give mileage recommendations to change the oil in your gearbox, nevertheless when you do an intervention on the gearbox it is wise to change it, otherwise here are the reasons to make you take into consideration doing this oil change.
Oil change for manual gearbox BMW 2 Series
- Gears are jumping: you are almost certainly missing oil and you may possibly have a gearbox oil leak, please see our article on gearbox leaks on BMW 2 Series for more info.
- The gearbox cracks when you change gears: The oil has absolutely lost viscosity and is too fluid, so the gears get stuck.
- Difficulty to shift gears: Same issue as just before, the oil is certainly too fluid.
Automatic gearbox oil change
- A slow start from the neutral position to the first one: often a viscosity issue.
- Difficulty or even impossibility to shift gears: Lack of oil
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How to change gearbox oil of a BMW 2 Series?
At last, to finish this article, we will describe you how to empty the gearbox oil of your BMW 2 Series , it’s much easier than you might presume, here are the few steps to follow to do it properly:
- Heat your BMW 2 Series for about 10 minutes to get a fluid oil, place it flat on 4 stands.
- Install a drain pan under the drain plug, open it, and clean it well because it will almost certainly collect filings.
- Let all the oil run out until it’s all gone.
- Replace and tighten the cap, then fill with a syringe through the filler cap with the manufacturer’s suggested dose
To discover more tips on the BMW 2 Series, take a look at the BMW 2 Series category.
