Buying a car is a big budget for most people, nevertheless, to this one you will have to add the maintenance of your car, and for some maintenance acts the bill can be quite high. It is therefore obvious to ask yourself when is the most fortunate time to perform these repairs and not do them “for nothing”. Today we are going to explain to you when to replace the timing belt on your BMW 4 Series? For that, first of all, we are going to discover why it is essential to do this work of maintenance, then, when to do the timing belt of your BMW 4 Series , then, we are going to quickly explain to you how this change is done, and, finally, how much it costs to do the timing belt of a BMW 4 Series.
Why do we need to replace the timing belt of an BMW 4 Series?
As we explained to you in introduction, changing a timing belt on a BMW 4 Series represents a considerable budget, so we understand that you are cautious to do it and to allow you to understand the importance of this fix, so we will quickly explain why it is so important to do it on time.
Your BMW 4 Series’s timing belt function
The timing of a BMW 4 Series has a vital role in the smooth running of your engine. In truth, it will have the mission to synchronize the valves and pistons, and to make the link between the camshaft, the water pump, the crankshaft and the injection pump . It will enable the engine to work properly, and avoid any risk of engine breakage. The shorter the distance your car travels, the more your belt will be solicited when starting the engine.
What are the risks if the timing belt is not changed on time?
The issue with the timing of a BMW 4 Series is that it is internal to the engine. And so, unlike an accessory belt, it is difficult to visually check its condition. So you might presume that this belt is just an insignificant part, but the risks you take if you don’t replace it in time are big. If the timing of your BMW 4 Series breaks, you will most certainly have to replace the engine of this one. In truth, the pistons will hit the valves and injure them, and the camshaft will also break. The faster the engine is running at the moment of the breakage, the more significant the consequences are. It is consequently fundamental to make your timing belt on time .
When to do the timing belt of its BMW 4 Series?
We will now answer the question that you all have to ask yourselves, when to produce the timing belt of a BMW 4 Series? It is necessary to know that each engine unit is different and as we described earlier, we must not miss on the replacement of this part. The more we advance in time the more the manufacturers improve the timing belt and normally the more recent your BMW 4 Series will be the less you will have to get worried about your belt. However, look at your BMW 4 Series’s service book to get the exact life and maximum mileage you can achieve before you do the timing . On average, timing belts have a life of 5 to 10 years and a maximum mileage between 80, 000 and 200, 000km .
How to replace the timing belt of an BMW 4 Series?
As the timing belt of a BMW 4 Series represents a high budget, one can logically wonder if it is not possible to replace it on your own. Unfortunately it is very tricky to access and only the most experienced amateur mechanics and the most equipped with tools will have the ability to consider this operation, we will nevertheless quickly explain the different steps to be carried out to replace this timing belt:
- Place the BMW 4 Series on stands, and based on your engine you may possibly have to remove a wheel. Remove the timing gearboxes
- To do this, you must buy the timing kit so that all the engine components remain in the right position, otherwise your engine will break. Remove the other components that bother you (damper pulley for example).
- Remove the old distribution after loosening the tension rollers. Before positioning the new one, you must take out all the tensioning rollers and the water pump.
- Mount the new water pump.
- Mount the new tension rollers, pay attention to the location of each one.
- Mount the new distribution of your BMW 4 Series by respecting the markers.
- Tension the belt as outlined by the manufacturer’s specifics.
- Put the rest of it back together.
- Verify that the engine unit is running properly.
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Replacing the timing belt how much does it cost?
And finally, we’ll try to give you an idea of the price if you want to replace the timing belt of your BMW 4 Series . Take note that if you do it at the mechanic of the brand or at a car center like Feu Vert the price can vary quite a lot, but generally speaking we estimate that the price of the distribution varies between 400 and 900 euros , based on the place where you do it and your engine. Please be aware that the kits include the belt, idlers and water pump.
To find more tips on the BMW 4 Series, take a look at the BMW 4 Series category.
