BMW 540i Workshop Manuals
If you have to execute maintenance tasks on your own BMW 540i then it is usually a good idea to have access to a Workshop Manual to use as personal reference in the event that you want to know the best ways to take out a particular component including Brake Pads and fit it again accurately.
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BMW 540i Workshop Manuals will give you exact diagnostic guides for the vehicle so if something is broken it will help you identify what the issue is and easy methods to make it better. After that you can evaluate if this can be achieved by yourself or that the job is too big you can actually make a booking for your 540i in with a nearby friendly mechanic.