The definitive guide to E89 audio systems..updated!

[Sebdk]

Thanks. Do you know if the front left speakers (woofer and mid) are wired in series?

I have installed new speakers and the amp but the front left channel isn't working. I suspect I have a loose connection to the new Focal woofer in left footwell, but that only makes sense if losing that one connection would affect the left midrange as well.

The 3 channels that are working now sound great though! Amazing for £350 total. That new woofer (the working front right one) with the amp made the biggest different, as you suggested. I also added tweeters on all 4 mids and this has made a difference even at the rear once the amp was added. For an extra £20 and 3 minutes of drilling it was worth it.

Thanks again.

 

[B21]

Thanks. Do you know if the front left speakers (woofer and mid) are wired in series?

I have installed new speakers and the amp but the front left channel isn't working. I suspect I have a loose connection to the new Focal woofer in left footwell, but that only makes sense if losing that one connection would affect the left midrange as well.

The 3 channels that are working now sound great though! Amazing for £350 total. That new woofer (the working front right one) with the amp made the biggest different, as you suggested. I also added tweeters on all 4 mids and this has made a difference even at the rear once the amp was added. For an extra £20 and 3 minutes of drilling it was worth it.

Thanks again.

They are wired in parallel..therefore if you’ve lost both speakers it’s near the amp end..

 

[Sebdk]

Oh dear. I better do some more fiddling then!

In case helpful to anyone, attached are photos of the holes I drilled to add tweeters to the rear mids on the base system - it was super easy using the circular drill bit at a slow speed and holds it quite snugly.

 

[Allstars]

Appreciate the document thank you.

I’ve just recently bought my e89 35i. Bizarrely I have the cutouts and cover for the subs behind the seats but they are missing. Also the rear mid range are also missing.

Everything I’ve read and watched I should at least have basic 6 speaker system as standard but I think a previous owner may have been a devious and removed some.

I’m going to have a proper look tomorrow to check if the wiring is still in place to prove/disprove my theory.
Unless the wiring is installed for all speakers as standard regardless of which option is selected when the car was purchased brand new? Does anyone know this?

If not and wiring doesn’t exist is anyone aware of any guides to install speakers plus wiring. I’ve not been able to find anything.

Appreciate any help.

 

[Chippie]

Peter explains everything pretty well in the link in his 1st post, I suspect a previous owner has at some point upgraded the speakers and then removed them without re fitting the factory ones, if you run your VIN number through a decoding site it should tell you which system was fitted from new.

 

[Allstars]

Thanks, any suggestions for a decoding site?

 

[B21]

Appreciate the document thank you.

I’ve just recently bought my e89 35i. Bizarrely I have the cutouts and cover for the subs behind the seats but they are missing. Also the rear mid range are also missing.

Everything I’ve read and watched I should at least have basic 6 speaker system as standard but I think a previous owner may have been a devious and removed some.

I’m going to have a proper look tomorrow to check if the wiring is still in place to prove/disprove my theory.
Unless the wiring is installed for all speakers as standard regardless of which option is selected when the car was purchased brand new? Does anyone know this?

If not and wiring doesn’t exist is anyone aware of any guides to install speakers plus wiring. I’ve not been able to find anything.

Appreciate any help.

The wiring is different for each of the three audio systems..there may be some redundant parts in the wiring loom but overall the wiring is system specific

 

[B21]

Thanks, any suggestions for a decoding site?

https://www.mdecoder.com/

 

[Allstars]

 

[Allstars]

Thank you for the link. I’ve decoded on that site but can’t tell which system I have. Presumably it is S609 and base then?

S609 Navigation System Professional
S612 BMW Assist
S615 Extended BMW Online Information
S616 BMW Online
S633 Business Mobile Phone Preparation With Bluetooth Interface
S694 Provisions For BMW 6 CD Changer
S698 Area-Code 2 For DVD
S6AA BMW TeleServices
S6AB Control, Teleservices
S6FL USB/Audio Interface

 

[Chippie]

Thank you for the link. I’ve decoded on that site but can’t tell which system I have. Presumably it is S609 and base then?

S609 Navigation System Professional
S612 BMW Assist
S615 Extended BMW Online Information
S616 BMW Online
S633 Business Mobile Phone Preparation With Bluetooth Interface
S694 Provisions For BMW 6 CD Changer
S698 Area-Code 2 For DVD
S6AA BMW TeleServices
S6AB Control, Teleservices
S6FL USB/Audio Interface

Yes base system, if a previous owner had upgraded the speakers then perhaps the the wiring should be there for the subs, but presumably any amplifier that was fitted will have also been removed, there should be the original wires for the missing speakers below the seatbelt.

 

[B21]

Thank you for the link. I’ve decoded on that site but can’t tell which system I have. Presumably it is S609 and base then?

S609 Navigation System Professional
S612 BMW Assist
S615 Extended BMW Online Information
S616 BMW Online
S633 Business Mobile Phone Preparation With Bluetooth Interface
S694 Provisions For BMW 6 CD Changer
S698 Area-Code 2 For DVD
S6AA BMW TeleServices
S6AB Control, Teleservices
S6FL USB/Audio Interface

Yup basic 6 speaker system….looks like someone started the upgrade program but gave up..who knows what may be hidden elsewhere?

 

[Allstars]

Both - Thanks for your help! I’ll take a proper look tomorrow.