BMW 545i Workshop Manuals
If you have to do adjustments to your BMW 545i then it is usually recommended to own a Workshop Manual to keep just for reference if perhaps you need to know the way to remove a certain component for example the Wheel Bearing and match it again in the right way.
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BMW 545i Workshop Manuals gives you distinct diagnostic details on your vehicle so if something is broken it can help you find out what the problem is and some ways to correct it. You will be able to decide if this can be done on your own or if the job is too big you can still make a booking for your 545i into a trusted garage.