BlueBus: A fully integrated A2DP Bluetooth solution

[r4dr]

Someone in here had the idea to leave a USB cable plugged in and accessible without taking the trunk apart, and I would HIGHLY recommend that. I had a battery drain issue where the car would die if left unlocked, and I happened to narrow it down to the BlueBus because my phone kept connecting to it via Bluetooth at random times from the garage. I ended up running a cable through the nav drive door, so future firmware updates are as easy as opening that.

Still loving the BlueBus. My favorite QOL mod for this car.

I went from the .16 firmware to .18, we'll see if that fixes my issue. I verified that the BlueBus green light turns off at ~60 seconds.

[campful]

Hi guys following up on my post about getting a blubus for free. I went to install this on my 2001 BMW M3 with 4:3 Nav (cd changer in the back). Well upon digging, I do have the CD changer which should have the two connections I need to plug into the blubus, but the previous owner did a custom sub/amp setup with custom wiring. I cannot find the two connection needed even though the car came wired from factory. The CD changer was unplugged. I did also find the bundled cables which have the phone mic. My BMW tech who was installing this with me recommended asking if there is a connector cable that would work with the mic wires I found?
I can provide photos if needed. Regardless pretty bummed the PO installed this setup and it's not as plug and play as I hoped given this weird setup.

[duracellttu]

Does anyone know what I need to unplug on my BMW assist E46 M3 to run the 54pin telephone adaptor?

I have two TCU’s for sale if you are looking for one. PM if you are interested.

[t3ddftw]

my car came with bluetooth phone, do I just need to get the blue bus?

Up to you . The only thing you lose by not using the BlueBus for hands-free calling is the ability to summon your phones assistant and use it through the vehicle speakers.

-Ted

[redice]

my car came with bluetooth phone, do I just need to get the blue bus?

[t3ddftw]

Does anyone know what I need to unplug on my BMW assist E46 M3 to run the 54pin telephone adaptor?

Find the old TCU (silver rectangular unit), in the trunk and unplug the 54-pin connector from it. That’s it

[Rekpoint]

Does anyone know what I need to unplug on my BMW assist E46 M3 to run the 54pin telephone adaptor?

[Chas3n]

Ted, sent ya a Pm


Sent from my iPhone using Tapatalk Pro

[M3CSLWannabi]

Finally was looking forward to this! Submitting my pre order

Thanks, Ted!

[rdenis]

1. That is what the aim was, but I couldn't test it as I don't own a non-Nav car anymore (I retrofit Nav into my E46 Touring).
2. Each offset step is one tap of the volume up button on the steering wheel. Does that make sense?



Thanks for your support!



Thanks for your support as well!

-Ted

Ok great, that explains it and it works pretty well with one little bug noted below. For other non nav users with CD53, the volume offset range is from 0 - 15 where 15 cranks the volume to max. I found a setting of 10 to my liking in my z4. So basically what happens now is call comes in, music is interrupted, call volume is turned up to 10 out of 15 and when call ends, the volume for music/radio reverts back to pre call level.

The one small bug I found is after the call end, the radio head unit volume knob no longer changes the volume of my music up or down - it remains "inactive" until I push the volume knob (power off/power on head unit). That will then reset the knob operation and I can control the volume of the music as normal. I didn't have a chance to test whether this bug is present in other situations other than specifically describe here - e.g. I didn't try adjusting the in call volume with the knob and the offset at 10 or any other offset level. I didn't try with different sources of music other than my phone connected via BlueBus - I plan to test with other sources via the mode selection button on the head unit.

One other note - on my non-nav Z4 with no PDC sensors, the cut volume on reverse gear also works!

[t3ddftw]

Hi Ted or anyone else - from the firmware 1.18 description re: CD53 on https://www.bluebus.dev/software:

• Add additional settings [Comfort Unlock, Telephone volume offset, Lower Volume on Reverse]
  .
• Emulate MFL to allow automatic volume scaling for calls for CD53 vehicles (to prevent calls from being too quiet)

Specifically,

1. Do the above solve the issue where a call comes in and we need to crank the radio knob volume to hear the caller and when the call ends get blasted by the radio volume being too high?
   .
2. How/what does the "telephone volume offset" work, i.e. what are the settings/ranges/etc. for this that can be changed?

This is for a non-nav Z4 with CD53 business radio.

Thanks in advance.

1. That is what the aim was, but I couldn't test it as I don't own a non-Nav car anymore (I retrofit Nav into my E46 Touring).
2. Each offset step is one tap of the volume up button on the steering wheel. Does that make sense?

Just pre-ordered 2 more.
One for another friend. One for my father.
4 Total. Thanks for making an awesome product!

Thanks for your support!

Pre-order submitted — looking forward to finally getting one of these this summer.

Thanks, Ted!

Thanks for your support as well!

-Ted

[Interlagos]

Pre-order submitted — looking forward to finally getting one of these this summer.

Thanks, Ted!

[Rekpoint]

Just pre-ordered 2 more.
One for another friend. One for my father.
4 Total. Thanks for making an awesome product!

[rdenis]

Hi Ted or anyone else - from the firmware 1.18 description re: CD53 on https://www.bluebus.dev/software:

• Add additional settings [Comfort Unlock, Telephone volume offset, Lower Volume on Reverse]
  .
• Emulate MFL to allow automatic volume scaling for calls for CD53 vehicles (to prevent calls from being too quiet)

Specifically,

1. Do the above solve the issue where a call comes in and we need to crank the radio knob volume to hear the caller and when the call ends get blasted by the radio volume being too high?
   .
2. How/what does the "telephone volume offset" work, i.e. what are the settings/ranges/etc. for this that can be changed?

This is for a non-nav Z4 with CD53 business radio.

Thanks in advance.

[Interlagos]

Yeah, it definitely works on the whole slew of them -- even the Video Module "only" setups offered places where they couldn't use Navigation due to lack of maps (Hong Kong, South Korea, etc).

It just works best on the MKIV because it has a much faster SoC .

I also forgot to mention: I am opening up pre-orders on April 4th with a ship date in late June / early July. The exciting part is that through the redesign I am able to offer it for $199 USD now, instead of $235.

Thanks!
-Ted

Great news — thanks, Ted! Looking forward to signing up for the pre-order.