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7 Series - F01 / F02 (2009 - 2015)
The 5th generation F01/F02 BMW 7 Series flagship forum. The redesigned 7 series leads off the BMW Fxx chassis code, offering an 8 speed automatic transmission and all turbocharged engine options.

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  #1  
Old 07-31-2019, 07:44 PM
luv4greenleaves luv4greenleaves is offline
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Have the Harman premier sound system. Yesterday I was driving and I lost bass.. then today I hear poping and cracking sounds from the speakes. Taking car in Friday and I hope my extended warranty (GM My Auto) will cover it.. 1st time I'm using it.. the contract reads like it should but we will see.....

Any ideas what this could be or how much this is going to cost me if not covered by warranty?

Last edited by luv4greenleaves; 07-31-2019 at 07:45 PM.
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  #2  
Old 08-03-2019, 07:34 AM
luigi007 luigi007 is offline
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What was the issue?


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  #3  
Old 08-03-2019, 08:18 AM
luv4greenleaves luv4greenleaves is offline
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Originally Posted by luigi007 View Post
What was the issue?


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Turns out it was not my amps it is both of my subwoofers under my chairs. It turns out I had a few oil leaks as well so the dealership has made claims for those as well as my subwoofers. The claims adjuster is coming out Monday. I hear if The subwoofers are not covered That's going to be close to 2gs... I can't believe $130,000 car has subwoofers that can't be turned up.
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  #4  
Old 08-04-2019, 05:01 AM
the beach the beach is offline
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There are aftermarket subs that sit in the same place, i hear there better and probably cheaper than BMW. I would go that route if after better bass
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Old 08-04-2019, 07:45 AM
luv4greenleaves luv4greenleaves is offline
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Originally Posted by the beach View Post
There are aftermarket subs that sit in the same place, i hear there better and probably cheaper than BMW. I would go that route if after better bass
Not many audio shops I've called want to touch the 750.....
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Old 08-04-2019, 07:55 AM
the beach the beach is offline
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easy to swap over yourself, unbolt seat tilt back and 4 screws to get sub out. Im sure they come direct swap, i know its easy as i took mine out when i had a leak and floor was soaked
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Old 08-04-2019, 01:54 PM
luv4greenleaves luv4greenleaves is offline
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Originally Posted by the beach View Post
easy to swap over yourself, unbolt seat tilt back and 4 screws to get sub out. Im sure they come direct swap, i know its easy as i took mine out when i had a leak and floor was soaked
Getting to it is the easy part. Getting 3rd party speakers and or factory subs maybe a different story.. I've been reading and talking to many people who have said changing one component in this system isn't as easy as it seems. Nothing is plug and play.. after install most had to replace amps, ask modules, etc..

If I'm going to want subs my only real option is get bent over by dealer.... Also doing anything yourself will violate my extended warranty should ANYTHING go wrong after this...
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Old 08-04-2019, 06:40 PM
HerbP HerbP is offline
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As long as you account for the resistance & wattage on the system, everything should be ok. Even an upgrade on the exterior lights, you must account for the resistance in the circuit. Our cars are designed to be very picky!
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Old 08-05-2019, 08:45 AM
the beach the beach is offline
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Bavsound do plug and play obviously skys the limit but for sub only upgrade nothing to loose
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