The genuine BMW BM54 repair is generally so straightforward the unit may be returned to you personally on exactly the same day it is received, or done in a couple of hours (if you take it in to a repair centre yourself) to be picked up on the day you drop it in.
The BMW B54 radio unit is created by a company called Becker, whose high class audio has been keeping BMW and Range Rover owners (among others happy for years. You'll find a unit that is BM54 in the BMW X5; the BMW 3 series; and some Land and Range Rover models. Your owner's manual should inform you what model of unit that is BM54 you might have in your vehicle.
The BMW BM54 repair begins with fault analysis - so you have to tell your engineer what is wrong using the unit. Common faults in the BM54 contain decline of only a few of the speakers working; total loss of audio; or sound to one or even more channels. Be aware that simply the loudspeakers in a single area of your vehicle are flawed, or if one of your speakers is not faultless, it may well not be the BM54 unit at fault but wiring inside the doors.
You could have your BM54 unit before you send it off for the BMW BM54 repair, checked for faults in situ. It is best to do this because otherwise you will not Range Rover Computer know for sure that it is the unit itself causing the issue. And of course if that unit is sent by you off without a problem,, it is going to come back not desiring fixing and you'll still have that issue - plus you'll have had to pay the BMW BM54 repair centre for its time.
It is possible to ask the center to which you are sending it to do a full BMW diagnostic test on it before they start to repair it if you are uncertain where to get a BM54 assessed before repair.
Every BM54 unit is located under the spare tyre - normally in the boot well, in a somewhat different area. For directions on removing the BM54 unit before the BMW BM54 repair, refer to sites or have a look in your manufacturer's guide. For those who have any questions contact the business that's going to do your diagnosis and fix and request their advice.
