My sound system in my 745i doesn't work. Is there anything I can do besides take it to dealership???

Asked by chammie215 Apr 19, 2012 at 08:32 AM about the 2004 BMW 7 Series 745i RWD

Question type: General

12 Answers

1,095

well first of all you need to check any fuse boxes for a blown fuse. If there aren't any, pull the radio out and check for any fuses there. Still nothing, check the wiring harnesses to the radio for disconnection or chaffed/burned wires. Last resort, run a multimeter on the radio to check for voltage. If no voltage, you need a new radio. If you find anything and need more help just message me. Good luck

12 people found this helpful.
260

I have BMW 745i 2003 and right side and rear speakers dont work they come on whenever they want to but mostly time DONT ??? what should i DO ?????

13 people found this helpful.
125

Did you try just resting it by disconnecting to bettery?

5 people found this helpful.
295

It is either your ASK unit which controls front door speakers and CD players and or it is the Logic 7 Amplifier in the Trunk. Both can be removed easily by you and taken to or sent to a variety of people who work on this exact problem which is historical to this car. This guy supposedly does good work and knows your issue. But you have to send him the units and they return them quickly. He is in Southern California. Check him out at www.Factoryradioservice.com. To help you with further directions, you want to check out The Bimmerfest Forums at Bimmerfest.com and go to the Ask Unit and L7 Repair shop for a major discussion by other numerous 7 Series owners with no audio.

7 people found this helpful.
160

My radio don't work on passenger side and back speaker don't work

7 people found this helpful.
20

I was going to ask bout the ask but I fig it out,but did your B take a long time on cold starts

3 people found this helpful.
60

I have a 745i I want to remove the stock radio can I do that without having any problems

6 people found this helpful.
80

My 2002 7 series BMW stereo and navigation dont work what should I do I dont know where to start when I turn on the car it said a warning message n it stays on if I move the nob n the center console witch controls navigation it moves to where ever I need to go navigation or am FM radio I just cant click on anything what could it be

8 people found this helpful.
50

I have the same issue i was told to replace my logic 7 amp but if you find something more simple please let me know

5 people found this helpful.

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