The windshield wiper arms are frequently used car components that is also subjected to the harsh environment outside. Occasionally, these parts fail over a period of time. But there is no need to worry because it can easily be removed and replaced. Furthermore, it's always good to be armed with knowledge so you can prepare the next steps beforehand in connection with a windshield wiper arm failure. Below are things you need to watch out for.
If your windshield wiper arms hobble and bobble whenever you use it, chances are there's something wrong with their base. The wiper arms might accidentally get thrown away with their motion. Don't rush into replacing them altogether. What you have to do is to look for a small nut by the end of the wiper arm. Just tighten it or fit a new nut on. This will eliminate wobbling and possible damage.
Your BMW X5 has two windshield wipers that should operate simultaneously. If one of them fails to do so, you have to check the linkage. A motor under the hood operates the windshield wiper arm. Have a look at it and see if the connection is still together. If not, you have to buy new linkages.
This is probably the most troublesome occurrence that can happen. However, knowing the source of this problem is easy. It comes down to two things: the fuse and the motor. One or both of them might be broken so inspect them carefully and do the necessary adjustments. The fuse might be busted or loose so go ahead and locate the wiper arm fuse. The owner's manual can help you pinpoint its location. If changes are already made and it still doesn't work, find the motor and replace it.